Finding the Fourth Proportional to 16,662.40, 22,998 and 10,998.16
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Solution
The fourth proportional to 16,662.40, 22,998 and 10,998.16 is: 15,180.03
Step by Step Solution
- Step 1: Write the proportion equation
16,662.40 : 22,998 = 10,998.16 : x - Step 2: Convert to fraction form
16,662.40/22,998 = 10,998.16/x - Step 3: Cross multiply
16,662.40x = 22,998 × 10,998.16 - Step 4: Simplify right side
16,662.40x = 252,935,683.68 - Step 5: Solve for x
x = 252,935,683.68/16,662.40 - Step 6: Final answer
x = 15,180.03
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.