Solving for X with Cross Products

Solve the proportion:

• 15

• 5

• 10

• 12

Cross Multiply/Cross Products

• 75

• 28

• 36

• 24

Solve the proportion below:

• 3

• 24

• 21

• 12

Solve for x

• 1/2

• 25/8

• 11

• 53/4

Solve the proportion:

• k=5

• k=3.3333333

• k=60

• k=90

Solve the proportion:

• n=6

• n=24

• n=7

• n=8

Solve the proportion:

• 25

• 20

• 49

• 4

Solve.

• A

• B

• C

• D

Cross Multiply/Cross Products

• 80

• 45

• 3

• 240

What is the correct next step when using the cross product method on this problem?

• 1(10) = 2(5)

• 1(5) = 2(10)

• 1(2) = 5(10)