Home / 10,203.52-15,301.42-3,538.36

Finding the Fourth Proportional to 10,203.52, 15,301.42 and 3,538.36

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Solution

The fourth proportional to 10,203.52, 15,301.42 and 3,538.36 is: 5,306.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203.52 : 15,301.42 = 3,538.36 : x
  2. Step 2: Convert to fraction form
    10,203.52/15,301.42 = 3,538.36/x
  3. Step 3: Cross multiply
    10,203.52x = 15,301.42 × 3,538.36
  4. Step 4: Simplify right side
    10,203.52x = 54,141,932.47
  5. Step 5: Solve for x
    x = 54,141,932.47/10,203.52
  6. Step 6: Final answer
    x = 5,306.20

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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.