Home / 22,929.20-34,394.56-8,137.92

Finding the Fourth Proportional to 22,929.20, 34,394.56 and 8,137.92

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Solution

The fourth proportional to 22,929.20, 34,394.56 and 8,137.92 is: 12,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,929.20 : 34,394.56 = 8,137.92 : x
  2. Step 2: Convert to fraction form
    22,929.20/34,394.56 = 8,137.92/x
  3. Step 3: Cross multiply
    22,929.20x = 34,394.56 × 8,137.92
  4. Step 4: Simplify right side
    22,929.20x = 279,900,177.72
  5. Step 5: Solve for x
    x = 279,900,177.72/22,929.20
  6. Step 6: Final answer
    x = 12,207.15

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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.