Home / 10,169.80-15,253.92-3,149.87

Finding the Fourth Proportional to 10,169.80, 15,253.92 and 3,149.87

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Solution

The fourth proportional to 10,169.80, 15,253.92 and 3,149.87 is: 4,724.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,169.80 : 15,253.92 = 3,149.87 : x
  2. Step 2: Convert to fraction form
    10,169.80/15,253.92 = 3,149.87/x
  3. Step 3: Cross multiply
    10,169.80x = 15,253.92 × 3,149.87
  4. Step 4: Simplify right side
    10,169.80x = 48,047,874.52
  5. Step 5: Solve for x
    x = 48,047,874.52/10,169.80
  6. Step 6: Final answer
    x = 4,724.56

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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.