Home / 10,357.88-15,539.24-3,432.38

Finding the Fourth Proportional to 10,357.88, 15,539.24 and 3,432.38

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Solution

The fourth proportional to 10,357.88, 15,539.24 and 3,432.38 is: 5,149.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,357.88 : 15,539.24 = 3,432.38 : x
  2. Step 2: Convert to fraction form
    10,357.88/15,539.24 = 3,432.38/x
  3. Step 3: Cross multiply
    10,357.88x = 15,539.24 × 3,432.38
  4. Step 4: Simplify right side
    10,357.88x = 53,336,507.48
  5. Step 5: Solve for x
    x = 53,336,507.48/10,357.88
  6. Step 6: Final answer
    x = 5,149.37

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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.