Finding the Missing Number in a Proportion

Find the the missing term.

4:3 = ____:12

• 16

• 20

• 6

• 16

Find the missing term.

4:5 = 32: ______

Tags

CCSS.7.RP.A.2B

Find the missing term.

49:42 = 7: ________

• 8

• 10

• 5

• 6

Tags

CCSS.6.RP.A.3B

Find the missing term.

14:2 = _______ :3

• 20

• 7

• 21

• 15

1 : 4 = 4 : x then x is --------

• 1

• 16

• 4

• 1 /16

Tags

CCSS.7.RP.A.2B

Coco is packing kettle corn into bags for snacks. She knows that she packs 6.4 ounces into 4 bags. She creates the following table to find other values for the number of ounces packed to the number of bags used in the same proportion.
Using the first row, Coco ​ (a)   to find the missing value for the second row. If she uses the first row to find the value in the third row, Coco will ​ (b)   .

• divides by 4

• multiply by 2.25

• subtracts by 4

• multiplies by 4

• subtracts 2.25

• divide 2.25

This is a table with a proportional relationship between A and B.  Find the missing value of B. 

• 33

• 44

• 32

• 48

Tags

CCSS.7.RP.A.2C

3 : 5 = a : 10 then a is -------

• 50/3

• 6

• 3

• 3/2

Find the missing term.

15:9 = 5:_______

Find the missing term.

________ : 5 = 16:20

• 9

• 8

• 5

• 4

Tags

CCSS.7.RP.A.2B