Home / 18,814.38-25,963.61-10,856.43

Finding the Fourth Proportional to 18,814.38, 25,963.61 and 10,856.43

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Solution

The fourth proportional to 18,814.38, 25,963.61 and 10,856.43 is: 14,981.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,814.38 : 25,963.61 = 10,856.43 : x
  2. Step 2: Convert to fraction form
    18,814.38/25,963.61 = 10,856.43/x
  3. Step 3: Cross multiply
    18,814.38x = 25,963.61 × 10,856.43
  4. Step 4: Simplify right side
    18,814.38x = 281,872,060.23
  5. Step 5: Solve for x
    x = 281,872,060.23/18,814.38
  6. Step 6: Final answer
    x = 14,981.74

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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.