Home / 10,839.24-16,261.20-3,442.80

Finding the Fourth Proportional to 10,839.24, 16,261.20 and 3,442.80

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Solution

The fourth proportional to 10,839.24, 16,261.20 and 3,442.80 is: 5,164.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,839.24 : 16,261.20 = 3,442.80 : x
  2. Step 2: Convert to fraction form
    10,839.24/16,261.20 = 3,442.80/x
  3. Step 3: Cross multiply
    10,839.24x = 16,261.20 × 3,442.80
  4. Step 4: Simplify right side
    10,839.24x = 55,984,059.36
  5. Step 5: Solve for x
    x = 55,984,059.36/10,839.24
  6. Step 6: Final answer
    x = 5,164.94

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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.