Home / 12,149.34-18,226.77-3,716.61

Finding the Fourth Proportional to 12,149.34, 18,226.77 and 3,716.61

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Solution

The fourth proportional to 12,149.34, 18,226.77 and 3,716.61 is: 5,575.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,149.34 : 18,226.77 = 3,716.61 : x
  2. Step 2: Convert to fraction form
    12,149.34/18,226.77 = 3,716.61/x
  3. Step 3: Cross multiply
    12,149.34x = 18,226.77 × 3,716.61
  4. Step 4: Simplify right side
    12,149.34x = 67,741,795.65
  5. Step 5: Solve for x
    x = 67,741,795.65/12,149.34
  6. Step 6: Final answer
    x = 5,575.76

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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.