Home / 23,162.20-34,654.74-12,781.24

Finding the Fourth Proportional to 23,162.20, 34,654.74 and 12,781.24

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Solution

The fourth proportional to 23,162.20, 34,654.74 and 12,781.24 is: 19,122.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,162.20 : 34,654.74 = 12,781.24 : x
  2. Step 2: Convert to fraction form
    23,162.20/34,654.74 = 12,781.24/x
  3. Step 3: Cross multiply
    23,162.20x = 34,654.74 × 12,781.24
  4. Step 4: Simplify right side
    23,162.20x = 442,930,549.08
  5. Step 5: Solve for x
    x = 442,930,549.08/23,162.20
  6. Step 6: Final answer
    x = 19,122.99

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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.