Home / 18,272.92-27,410.39-5,126.31

Finding the Fourth Proportional to 18,272.92, 27,410.39 and 5,126.31

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Solution

The fourth proportional to 18,272.92, 27,410.39 and 5,126.31 is: 7,689.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,272.92 : 27,410.39 = 5,126.31 : x
  2. Step 2: Convert to fraction form
    18,272.92/27,410.39 = 5,126.31/x
  3. Step 3: Cross multiply
    18,272.92x = 27,410.39 × 5,126.31
  4. Step 4: Simplify right side
    18,272.92x = 140,514,156.36
  5. Step 5: Solve for x
    x = 140,514,156.36/18,272.92
  6. Step 6: Final answer
    x = 7,689.75

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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.