Home / 18,272.14-27,380.76-14,105.86

Finding the Fourth Proportional to 18,272.14, 27,380.76 and 14,105.86

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Solution

The fourth proportional to 18,272.14, 27,380.76 and 14,105.86 is: 21,137.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,272.14 : 27,380.76 = 14,105.86 : x
  2. Step 2: Convert to fraction form
    18,272.14/27,380.76 = 14,105.86/x
  3. Step 3: Cross multiply
    18,272.14x = 27,380.76 × 14,105.86
  4. Step 4: Simplify right side
    18,272.14x = 386,229,167.25
  5. Step 5: Solve for x
    x = 386,229,167.25/18,272.14
  6. Step 6: Final answer
    x = 21,137.60

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1.5x scale

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.