Home / 20,104.24-27,743.76-11,151.76

Finding the Fourth Proportional to 20,104.24, 27,743.76 and 11,151.76

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Solution

The fourth proportional to 20,104.24, 27,743.76 and 11,151.76 is: 15,389.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,104.24 : 27,743.76 = 11,151.76 : x
  2. Step 2: Convert to fraction form
    20,104.24/27,743.76 = 11,151.76/x
  3. Step 3: Cross multiply
    20,104.24x = 27,743.76 × 11,151.76
  4. Step 4: Simplify right side
    20,104.24x = 309,391,753.02
  5. Step 5: Solve for x
    x = 309,391,753.02/20,104.24
  6. Step 6: Final answer
    x = 15,389.38

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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.