Percent Proportion Cross Multiply

Solve the proportion.

• k=5

• k=3.3333333

• k=60

• k=90

Solve the proportion.

• p=31.3

• p=308

• p=924

• p=532

Write a proportion to find how many points a student needs to score on a test in order to get the given percent:
The test is worth 12 points.
The test score is 75%.

• p/12=100/75

• p/100=12/75

• p/12=75/100

• p/75=12/100

Write a proportion to find how many points a student needs to score on a test in order to get the given percent:
The test is worth 60 points.
The test score is 50%.

• p/100=50/60

• p/50=60/100

• p/60=100/50

• p/60=50/100

Solve the proportion.

• k=5

• k=3.3333333

• k=60

• k=90

Solve the proportions (cross multiply and divide)

• 5.5

• 81

• 18

• 72

Solve the proportions (cross multiply and divide)

• 161

• 12

• 21

• 3

• 6.5
• 26

Solve the proportions (cross multiply and divide)

• 121

• 63

• 9

• 36

Cross Multiply/Cross Products

• 15

• 420

• 28

• 16