Home / 11,751.67-17,629.13-3,962.71

Finding the Fourth Proportional to 11,751.67, 17,629.13 and 3,962.71

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Solution

The fourth proportional to 11,751.67, 17,629.13 and 3,962.71 is: 5,944.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,751.67 : 17,629.13 = 3,962.71 : x
  2. Step 2: Convert to fraction form
    11,751.67/17,629.13 = 3,962.71/x
  3. Step 3: Cross multiply
    11,751.67x = 17,629.13 × 3,962.71
  4. Step 4: Simplify right side
    11,751.67x = 69,859,129.74
  5. Step 5: Solve for x
    x = 69,859,129.74/11,751.67
  6. Step 6: Final answer
    x = 5,944.61

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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.