Home / 10,539.44-15,807.50-3,519.58

Finding the Fourth Proportional to 10,539.44, 15,807.50 and 3,519.58

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Solution

The fourth proportional to 10,539.44, 15,807.50 and 3,519.58 is: 5,278.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,539.44 : 15,807.50 = 3,519.58 : x
  2. Step 2: Convert to fraction form
    10,539.44/15,807.50 = 3,519.58/x
  3. Step 3: Cross multiply
    10,539.44x = 15,807.50 × 3,519.58
  4. Step 4: Simplify right side
    10,539.44x = 55,635,760.85
  5. Step 5: Solve for x
    x = 55,635,760.85/10,539.44
  6. Step 6: Final answer
    x = 5,278.82

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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.