Home / 9,747.19-14,622-3,171.61

Finding the Fourth Proportional to 9,747.19, 14,622 and 3,171.61

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Solution

The fourth proportional to 9,747.19, 14,622 and 3,171.61 is: 4,757.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,747.19 : 14,622 = 3,171.61 : x
  2. Step 2: Convert to fraction form
    9,747.19/14,622 = 3,171.61/x
  3. Step 3: Cross multiply
    9,747.19x = 14,622 × 3,171.61
  4. Step 4: Simplify right side
    9,747.19x = 46,375,281.42
  5. Step 5: Solve for x
    x = 46,375,281.42/9,747.19
  6. Step 6: Final answer
    x = 4,757.81

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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.