Home / 15,001.60-22,500.42-3,909.10

Finding the Fourth Proportional to 15,001.60, 22,500.42 and 3,909.10

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Solution

The fourth proportional to 15,001.60, 22,500.42 and 3,909.10 is: 5,863.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,001.60 : 22,500.42 = 3,909.10 : x
  2. Step 2: Convert to fraction form
    15,001.60/22,500.42 = 3,909.10/x
  3. Step 3: Cross multiply
    15,001.60x = 22,500.42 × 3,909.10
  4. Step 4: Simplify right side
    15,001.60x = 87,956,391.82
  5. Step 5: Solve for x
    x = 87,956,391.82/15,001.60
  6. Step 6: Final answer
    x = 5,863.13

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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.