Home / 18,834.92-25,995.60-12,864.38

Finding the Fourth Proportional to 18,834.92, 25,995.60 and 12,864.38

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Solution

The fourth proportional to 18,834.92, 25,995.60 and 12,864.38 is: 17,755.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.92 : 25,995.60 = 12,864.38 : x
  2. Step 2: Convert to fraction form
    18,834.92/25,995.60 = 12,864.38/x
  3. Step 3: Cross multiply
    18,834.92x = 25,995.60 × 12,864.38
  4. Step 4: Simplify right side
    18,834.92x = 334,417,276.73
  5. Step 5: Solve for x
    x = 334,417,276.73/18,834.92
  6. Step 6: Final answer
    x = 17,755.17

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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.