Home / 10,171.80-15,257.52-4,251.87

Finding the Fourth Proportional to 10,171.80, 15,257.52 and 4,251.87

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Solution

The fourth proportional to 10,171.80, 15,257.52 and 4,251.87 is: 6,377.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,171.80 : 15,257.52 = 4,251.87 : x
  2. Step 2: Convert to fraction form
    10,171.80/15,257.52 = 4,251.87/x
  3. Step 3: Cross multiply
    10,171.80x = 15,257.52 × 4,251.87
  4. Step 4: Simplify right side
    10,171.80x = 64,872,991.56
  5. Step 5: Solve for x
    x = 64,872,991.56/10,171.80
  6. Step 6: Final answer
    x = 6,377.73

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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.