Finding the Fourth Proportional to 16.71, 24.92 and 13.98
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Solution
The fourth proportional to 16.71, 24.92 and 13.98 is: 20.84
Step by Step Solution
- Step 1: Write the proportion equation
16.71 : 24.92 = 13.98 : x - Step 2: Convert to fraction form
16.71/24.92 = 13.98/x - Step 3: Cross multiply
16.71x = 24.92 × 13.98 - Step 4: Simplify right side
16.71x = 348.31 - Step 5: Solve for x
x = 348.31/16.71 - Step 6: Final answer
x = 20.84
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.