Home / 20,248.92-27,943.38-11,174.76

Finding the Fourth Proportional to 20,248.92, 27,943.38 and 11,174.76

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Solution

The fourth proportional to 20,248.92, 27,943.38 and 11,174.76 is: 15,421.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,248.92 : 27,943.38 = 11,174.76 : x
  2. Step 2: Convert to fraction form
    20,248.92/27,943.38 = 11,174.76/x
  3. Step 3: Cross multiply
    20,248.92x = 27,943.38 × 11,174.76
  4. Step 4: Simplify right side
    20,248.92x = 312,260,565.09
  5. Step 5: Solve for x
    x = 312,260,565.09/20,248.92
  6. Step 6: Final answer
    x = 15,421.10

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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.