Home / 15,180.20-22,772.21-8,150.55

Finding the Fourth Proportional to 15,180.20, 22,772.21 and 8,150.55

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Solution

The fourth proportional to 15,180.20, 22,772.21 and 8,150.55 is: 12,226.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,180.20 : 22,772.21 = 8,150.55 : x
  2. Step 2: Convert to fraction form
    15,180.20/22,772.21 = 8,150.55/x
  3. Step 3: Cross multiply
    15,180.20x = 22,772.21 × 8,150.55
  4. Step 4: Simplify right side
    15,180.20x = 185,605,995.46
  5. Step 5: Solve for x
    x = 185,605,995.46/15,180.20
  6. Step 6: Final answer
    x = 12,226.85

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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.