Home / 19,432.72-29,149.08-8,332.20

Finding the Fourth Proportional to 19,432.72, 29,149.08 and 8,332.20

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Solution

The fourth proportional to 19,432.72, 29,149.08 and 8,332.20 is: 12,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,432.72 : 29,149.08 = 8,332.20 : x
  2. Step 2: Convert to fraction form
    19,432.72/29,149.08 = 8,332.20/x
  3. Step 3: Cross multiply
    19,432.72x = 29,149.08 × 8,332.20
  4. Step 4: Simplify right side
    19,432.72x = 242,875,964.38
  5. Step 5: Solve for x
    x = 242,875,964.38/19,432.72
  6. Step 6: Final answer
    x = 12,498.30

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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.