Home / 18,494.13-27,748.17-11,103.74

Finding the Fourth Proportional to 18,494.13, 27,748.17 and 11,103.74

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Solution

The fourth proportional to 18,494.13, 27,748.17 and 11,103.74 is: 16,659.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,494.13 : 27,748.17 = 11,103.74 : x
  2. Step 2: Convert to fraction form
    18,494.13/27,748.17 = 11,103.74/x
  3. Step 3: Cross multiply
    18,494.13x = 27,748.17 × 11,103.74
  4. Step 4: Simplify right side
    18,494.13x = 308,108,465.16
  5. Step 5: Solve for x
    x = 308,108,465.16/18,494.13
  6. Step 6: Final answer
    x = 16,659.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.