Home / 12,249.48-18,375.85-3,926.73

Finding the Fourth Proportional to 12,249.48, 18,375.85 and 3,926.73

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Solution

The fourth proportional to 12,249.48, 18,375.85 and 3,926.73 is: 5,890.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249.48 : 18,375.85 = 3,926.73 : x
  2. Step 2: Convert to fraction form
    12,249.48/18,375.85 = 3,926.73/x
  3. Step 3: Cross multiply
    12,249.48x = 18,375.85 × 3,926.73
  4. Step 4: Simplify right side
    12,249.48x = 72,156,949.84
  5. Step 5: Solve for x
    x = 72,156,949.84/12,249.48
  6. Step 6: Final answer
    x = 5,890.61

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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.