Home / 10,132.53-15,195.15-4,289.55

Finding the Fourth Proportional to 10,132.53, 15,195.15 and 4,289.55

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Solution

The fourth proportional to 10,132.53, 15,195.15 and 4,289.55 is: 6,432.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132.53 : 15,195.15 = 4,289.55 : x
  2. Step 2: Convert to fraction form
    10,132.53/15,195.15 = 4,289.55/x
  3. Step 3: Cross multiply
    10,132.53x = 15,195.15 × 4,289.55
  4. Step 4: Simplify right side
    10,132.53x = 65,180,355.68
  5. Step 5: Solve for x
    x = 65,180,355.68/10,132.53
  6. Step 6: Final answer
    x = 6,432.78

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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.