Home / 20,182.92-27,849.96-11,229.24

Finding the Fourth Proportional to 20,182.92, 27,849.96 and 11,229.24

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Solution

The fourth proportional to 20,182.92, 27,849.96 and 11,229.24 is: 15,494.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182.92 : 27,849.96 = 11,229.24 : x
  2. Step 2: Convert to fraction form
    20,182.92/27,849.96 = 11,229.24/x
  3. Step 3: Cross multiply
    20,182.92x = 27,849.96 × 11,229.24
  4. Step 4: Simplify right side
    20,182.92x = 312,733,884.83
  5. Step 5: Solve for x
    x = 312,733,884.83/20,182.92
  6. Step 6: Final answer
    x = 15,494.98

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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.