Home / 12,229.20-18,342.24-3,464.88

Finding the Fourth Proportional to 12,229.20, 18,342.24 and 3,464.88

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Solution

The fourth proportional to 12,229.20, 18,342.24 and 3,464.88 is: 5,196.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,229.20 : 18,342.24 = 3,464.88 : x
  2. Step 2: Convert to fraction form
    12,229.20/18,342.24 = 3,464.88/x
  3. Step 3: Cross multiply
    12,229.20x = 18,342.24 × 3,464.88
  4. Step 4: Simplify right side
    12,229.20x = 63,553,660.53
  5. Step 5: Solve for x
    x = 63,553,660.53/12,229.20
  6. Step 6: Final answer
    x = 5,196.88

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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.