Home / 20,171.11-27,834.48-11,673.86

Finding the Fourth Proportional to 20,171.11, 27,834.48 and 11,673.86

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Solution

The fourth proportional to 20,171.11, 27,834.48 and 11,673.86 is: 16,108.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,171.11 : 27,834.48 = 11,673.86 : x
  2. Step 2: Convert to fraction form
    20,171.11/27,834.48 = 11,673.86/x
  3. Step 3: Cross multiply
    20,171.11x = 27,834.48 × 11,673.86
  4. Step 4: Simplify right side
    20,171.11x = 324,935,625.15
  5. Step 5: Solve for x
    x = 324,935,625.15/20,171.11
  6. Step 6: Final answer
    x = 16,108.96

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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.