Home / 11,839.10-17,743.10-6,280.65

Finding the Fourth Proportional to 11,839.10, 17,743.10 and 6,280.65

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Solution

The fourth proportional to 11,839.10, 17,743.10 and 6,280.65 is: 9,412.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839.10 : 17,743.10 = 6,280.65 : x
  2. Step 2: Convert to fraction form
    11,839.10/17,743.10 = 6,280.65/x
  3. Step 3: Cross multiply
    11,839.10x = 17,743.10 × 6,280.65
  4. Step 4: Simplify right side
    11,839.10x = 111,438,169.61
  5. Step 5: Solve for x
    x = 111,438,169.61/11,839.10
  6. Step 6: Final answer
    x = 9,412.73

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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.