Home / 18,272.97-27,410.51-5,126.38

Finding the Fourth Proportional to 18,272.97, 27,410.51 and 5,126.38

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Solution

The fourth proportional to 18,272.97, 27,410.51 and 5,126.38 is: 7,689.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,272.97 : 27,410.51 = 5,126.38 : x
  2. Step 2: Convert to fraction form
    18,272.97/27,410.51 = 5,126.38/x
  3. Step 3: Cross multiply
    18,272.97x = 27,410.51 × 5,126.38
  4. Step 4: Simplify right side
    18,272.97x = 140,516,634.54
  5. Step 5: Solve for x
    x = 140,516,634.54/18,272.97
  6. Step 6: Final answer
    x = 7,689.86

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1.5x scale

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.