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Finding the Fourth Proportional to 14,917.91, 22,375.68 and 8,673.93

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Solution

The fourth proportional to 14,917.91, 22,375.68 and 8,673.93 is: 13,010.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,917.91 : 22,375.68 = 8,673.93 : x
  2. Step 2: Convert to fraction form
    14,917.91/22,375.68 = 8,673.93/x
  3. Step 3: Cross multiply
    14,917.91x = 22,375.68 × 8,673.93
  4. Step 4: Simplify right side
    14,917.91x = 194,085,082.02
  5. Step 5: Solve for x
    x = 194,085,082.02/14,917.91
  6. Step 6: Final answer
    x = 13,010.21

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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.