Home / 9,013.26-13,520.60-3,171.18

Finding the Fourth Proportional to 9,013.26, 13,520.60 and 3,171.18

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Solution

The fourth proportional to 9,013.26, 13,520.60 and 3,171.18 is: 4,757.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,013.26 : 13,520.60 = 3,171.18 : x
  2. Step 2: Convert to fraction form
    9,013.26/13,520.60 = 3,171.18/x
  3. Step 3: Cross multiply
    9,013.26x = 13,520.60 × 3,171.18
  4. Step 4: Simplify right side
    9,013.26x = 42,876,256.31
  5. Step 5: Solve for x
    x = 42,876,256.31/9,013.26
  6. Step 6: Final answer
    x = 4,757.02

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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.