Home / 16,439.04-24,641.28-8,645.76

Finding the Fourth Proportional to 16,439.04, 24,641.28 and 8,645.76

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Solution

The fourth proportional to 16,439.04, 24,641.28 and 8,645.76 is: 12,959.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,439.04 : 24,641.28 = 8,645.76 : x
  2. Step 2: Convert to fraction form
    16,439.04/24,641.28 = 8,645.76/x
  3. Step 3: Cross multiply
    16,439.04x = 24,641.28 × 8,645.76
  4. Step 4: Simplify right side
    16,439.04x = 213,042,592.97
  5. Step 5: Solve for x
    x = 213,042,592.97/16,439.04
  6. Step 6: Final answer
    x = 12,959.55

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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.