Finding the Fourth Proportional to 14,760.90, 22,125.97 and 6,438.68
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Solution
The fourth proportional to 14,760.90, 22,125.97 and 6,438.68 is: 9,651.31
Step by Step Solution
- Step 1: Write the proportion equation
14,760.90 : 22,125.97 = 6,438.68 : x - Step 2: Convert to fraction form
14,760.90/22,125.97 = 6,438.68/x - Step 3: Cross multiply
14,760.90x = 22,125.97 × 6,438.68 - Step 4: Simplify right side
14,760.90x = 142,462,079.74 - Step 5: Solve for x
x = 142,462,079.74/14,760.90 - Step 6: Final answer
x = 9,651.31
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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.