Practical Problems for Proportions

A 8 ft tall tent standing next to a lawn ornament casts a 4 ft shadow. If the lawn ornament is 6 ft tall, then how long is its shadow?

• 3 ft 

• 16 ft

• 12 ft 

• 2 ft 

A scale drawing of a billboard uses the scale 4 cm:9 ft. The length of the billboard in the drawing is 11 cm. How long is the actual billboard?

• 13 ft

• 20.75 ft

• 24.75 ft

• 22 ft

Solve the proportion.

• k=5

• k=3.3333333

• k=60

• k=90

A cake recipe calls for 1.5 cups of milk and 3 cups of flour. Seth made a mistake and used 5 cups of flour. How many cups of milk should he use to keep the proportions correct?

• 2.5 cups milk

• 1.75 cups milk

• 2 cups flour

• 2.25 cups milk

Solve.

• 3

• 15

• 20

• 10

if there are 5 boys for every 7 girls in math class, how many boys are there if there are 35 girls?

• 20

• 25

• 30

• 35

A fence post that is 2 meters tall casts a shadow 5 meters long.  At the same time a tree casts a shadow 108 meters.  How tall is the tree?

• 33.2 meters

• 332 meters

• 43.2 meters

• 432 meters

To make plant fertilizer, you mix 12 ounces of Lime with every 10 ounces of water. If you use 80 ounces of water, how much lime do you need?

• 96 ounces

• 80 ounces

• 1.5 ounces

• 66.67 ounces

A 12 ounce can of lemonade costs $1.32. How much would a 16 ounce can of lemonade cost?

• $1.76

• $3.76

• $2.76

• $1.67

Four pounds of apples cost $5.00. How much would 10 pounds of apples cost?

• I'm hungry

• $15.75

• $10

• $12.50