Home / 11,425.20-17,131.43-3,525.47

Finding the Fourth Proportional to 11,425.20, 17,131.43 and 3,525.47

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Solution

The fourth proportional to 11,425.20, 17,131.43 and 3,525.47 is: 5,286.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,425.20 : 17,131.43 = 3,525.47 : x
  2. Step 2: Convert to fraction form
    11,425.20/17,131.43 = 3,525.47/x
  3. Step 3: Cross multiply
    11,425.20x = 17,131.43 × 3,525.47
  4. Step 4: Simplify right side
    11,425.20x = 60,396,394.16
  5. Step 5: Solve for x
    x = 60,396,394.16/11,425.20
  6. Step 6: Final answer
    x = 5,286.24

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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.