Home / 11,854.38-17,744.58-8,737.92

Finding the Fourth Proportional to 11,854.38, 17,744.58 and 8,737.92

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Solution

The fourth proportional to 11,854.38, 17,744.58 and 8,737.92 is: 13,079.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,854.38 : 17,744.58 = 8,737.92 : x
  2. Step 2: Convert to fraction form
    11,854.38/17,744.58 = 8,737.92/x
  3. Step 3: Cross multiply
    11,854.38x = 17,744.58 × 8,737.92
  4. Step 4: Simplify right side
    11,854.38x = 155,050,720.47
  5. Step 5: Solve for x
    x = 155,050,720.47/11,854.38
  6. Step 6: Final answer
    x = 13,079.61

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1.5x scale

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.