Home / 9,172.31-13,747.12-5,226.88

Finding the Fourth Proportional to 9,172.31, 13,747.12 and 5,226.88

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Solution

The fourth proportional to 9,172.31, 13,747.12 and 5,226.88 is: 7,833.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172.31 : 13,747.12 = 5,226.88 : x
  2. Step 2: Convert to fraction form
    9,172.31/13,747.12 = 5,226.88/x
  3. Step 3: Cross multiply
    9,172.31x = 13,747.12 × 5,226.88
  4. Step 4: Simplify right side
    9,172.31x = 71,854,546.59
  5. Step 5: Solve for x
    x = 71,854,546.59/9,172.31
  6. Step 6: Final answer
    x = 7,833.86

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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.