Home / 10,439.18-15,661.50-3,867.24

Finding the Fourth Proportional to 10,439.18, 15,661.50 and 3,867.24

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Solution

The fourth proportional to 10,439.18, 15,661.50 and 3,867.24 is: 5,801.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,439.18 : 15,661.50 = 3,867.24 : x
  2. Step 2: Convert to fraction form
    10,439.18/15,661.50 = 3,867.24/x
  3. Step 3: Cross multiply
    10,439.18x = 15,661.50 × 3,867.24
  4. Step 4: Simplify right side
    10,439.18x = 60,566,845.24
  5. Step 5: Solve for x
    x = 60,566,845.24/10,439.18
  6. Step 6: Final answer
    x = 5,801.88

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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.