Home / 10,218.92-15,326.45-3,197.88

Finding the Fourth Proportional to 10,218.92, 15,326.45 and 3,197.88

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Solution

The fourth proportional to 10,218.92, 15,326.45 and 3,197.88 is: 4,796.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,218.92 : 15,326.45 = 3,197.88 : x
  2. Step 2: Convert to fraction form
    10,218.92/15,326.45 = 3,197.88/x
  3. Step 3: Cross multiply
    10,218.92x = 15,326.45 × 3,197.88
  4. Step 4: Simplify right side
    10,218.92x = 49,012,147.93
  5. Step 5: Solve for x
    x = 49,012,147.93/10,218.92
  6. Step 6: Final answer
    x = 4,796.22

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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.