Home / 12,514.98-18,793.92-11,112.56

Finding the Fourth Proportional to 12,514.98, 18,793.92 and 11,112.56

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Solution

The fourth proportional to 12,514.98, 18,793.92 and 11,112.56 is: 16,687.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,514.98 : 18,793.92 = 11,112.56 : x
  2. Step 2: Convert to fraction form
    12,514.98/18,793.92 = 11,112.56/x
  3. Step 3: Cross multiply
    12,514.98x = 18,793.92 × 11,112.56
  4. Step 4: Simplify right side
    12,514.98x = 208,848,469.67
  5. Step 5: Solve for x
    x = 208,848,469.67/12,514.98
  6. Step 6: Final answer
    x = 16,687.88

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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.