Home / 10,115.48-15,177.92-3,873.42

Finding the Fourth Proportional to 10,115.48, 15,177.92 and 3,873.42

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Solution

The fourth proportional to 10,115.48, 15,177.92 and 3,873.42 is: 5,811.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,115.48 : 15,177.92 = 3,873.42 : x
  2. Step 2: Convert to fraction form
    10,115.48/15,177.92 = 3,873.42/x
  3. Step 3: Cross multiply
    10,115.48x = 15,177.92 × 3,873.42
  4. Step 4: Simplify right side
    10,115.48x = 58,790,439.52
  5. Step 5: Solve for x
    x = 58,790,439.52/10,115.48
  6. Step 6: Final answer
    x = 5,811.93

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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.