Home / 10,098.20-15,149.46-4,257.56

Finding the Fourth Proportional to 10,098.20, 15,149.46 and 4,257.56

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Solution

The fourth proportional to 10,098.20, 15,149.46 and 4,257.56 is: 6,387.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,098.20 : 15,149.46 = 4,257.56 : x
  2. Step 2: Convert to fraction form
    10,098.20/15,149.46 = 4,257.56/x
  3. Step 3: Cross multiply
    10,098.20x = 15,149.46 × 4,257.56
  4. Step 4: Simplify right side
    10,098.20x = 64,499,734.92
  5. Step 5: Solve for x
    x = 64,499,734.92/10,098.20
  6. Step 6: Final answer
    x = 6,387.25

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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.