Home / 18,189.24-25,109.52-13,714.80

Finding the Fourth Proportional to 18,189.24, 25,109.52 and 13,714.80

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Solution

The fourth proportional to 18,189.24, 25,109.52 and 13,714.80 is: 18,932.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,189.24 : 25,109.52 = 13,714.80 : x
  2. Step 2: Convert to fraction form
    18,189.24/25,109.52 = 13,714.80/x
  3. Step 3: Cross multiply
    18,189.24x = 25,109.52 × 13,714.80
  4. Step 4: Simplify right side
    18,189.24x = 344,372,044.90
  5. Step 5: Solve for x
    x = 344,372,044.90/18,189.24
  6. Step 6: Final answer
    x = 18,932.73

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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.