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Finding the Fourth Proportional to 18,282.92, 25,227.25 and 10,324.94

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Solution

The fourth proportional to 18,282.92, 25,227.25 and 10,324.94 is: 14,246.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282.92 : 25,227.25 = 10,324.94 : x
  2. Step 2: Convert to fraction form
    18,282.92/25,227.25 = 10,324.94/x
  3. Step 3: Cross multiply
    18,282.92x = 25,227.25 × 10,324.94
  4. Step 4: Simplify right side
    18,282.92x = 260,469,690.67
  5. Step 5: Solve for x
    x = 260,469,690.67/18,282.92
  6. Step 6: Final answer
    x = 14,246.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.