Home / 22,930.20-34,396.06-8,138.92

Finding the Fourth Proportional to 22,930.20, 34,396.06 and 8,138.92

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Solution

The fourth proportional to 22,930.20, 34,396.06 and 8,138.92 is: 12,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,930.20 : 34,396.06 = 8,138.92 : x
  2. Step 2: Convert to fraction form
    22,930.20/34,396.06 = 8,138.92/x
  3. Step 3: Cross multiply
    22,930.20x = 34,396.06 × 8,138.92
  4. Step 4: Simplify right side
    22,930.20x = 279,946,780.66
  5. Step 5: Solve for x
    x = 279,946,780.66/22,930.20
  6. Step 6: Final answer
    x = 12,208.65

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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.