Finding the Fourth Proportional to 16.18, 24.23 and 13.88
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Solution
The fourth proportional to 16.18, 24.23 and 13.88 is: 20.79
Step by Step Solution
- Step 1: Write the proportion equation
16.18 : 24.23 = 13.88 : x - Step 2: Convert to fraction form
16.18/24.23 = 13.88/x - Step 3: Cross multiply
16.18x = 24.23 × 13.88 - Step 4: Simplify right side
16.18x = 336.31 - Step 5: Solve for x
x = 336.31/16.18 - Step 6: Final answer
x = 20.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.