Home / 22,972.87-34,451.70-8,931.88

Finding the Fourth Proportional to 22,972.87, 34,451.70 and 8,931.88

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Solution

The fourth proportional to 22,972.87, 34,451.70 and 8,931.88 is: 13,394.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,972.87 : 34,451.70 = 8,931.88 : x
  2. Step 2: Convert to fraction form
    22,972.87/34,451.70 = 8,931.88/x
  3. Step 3: Cross multiply
    22,972.87x = 34,451.70 × 8,931.88
  4. Step 4: Simplify right side
    22,972.87x = 307,718,450.20
  5. Step 5: Solve for x
    x = 307,718,450.20/22,972.87
  6. Step 6: Final answer
    x = 13,394.86

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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.