Home / 18,711.38-25,822.68-10,756.28

Finding the Fourth Proportional to 18,711.38, 25,822.68 and 10,756.28

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Solution

The fourth proportional to 18,711.38, 25,822.68 and 10,756.28 is: 14,844.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,711.38 : 25,822.68 = 10,756.28 : x
  2. Step 2: Convert to fraction form
    18,711.38/25,822.68 = 10,756.28/x
  3. Step 3: Cross multiply
    18,711.38x = 25,822.68 × 10,756.28
  4. Step 4: Simplify right side
    18,711.38x = 277,755,976.43
  5. Step 5: Solve for x
    x = 277,755,976.43/18,711.38
  6. Step 6: Final answer
    x = 14,844.23

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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.