Home / 20,251.62-27,943.45-11,298.58

Finding the Fourth Proportional to 20,251.62, 27,943.45 and 11,298.58

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Solution

The fourth proportional to 20,251.62, 27,943.45 and 11,298.58 is: 15,589.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251.62 : 27,943.45 = 11,298.58 : x
  2. Step 2: Convert to fraction form
    20,251.62/27,943.45 = 11,298.58/x
  3. Step 3: Cross multiply
    20,251.62x = 27,943.45 × 11,298.58
  4. Step 4: Simplify right side
    20,251.62x = 315,721,207.20
  5. Step 5: Solve for x
    x = 315,721,207.20/20,251.62
  6. Step 6: Final answer
    x = 15,589.92

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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.