Home / 10,641.92-15,962.87-4,791.69

Finding the Fourth Proportional to 10,641.92, 15,962.87 and 4,791.69

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Solution

The fourth proportional to 10,641.92, 15,962.87 and 4,791.69 is: 7,187.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,641.92 : 15,962.87 = 4,791.69 : x
  2. Step 2: Convert to fraction form
    10,641.92/15,962.87 = 4,791.69/x
  3. Step 3: Cross multiply
    10,641.92x = 15,962.87 × 4,791.69
  4. Step 4: Simplify right side
    10,641.92x = 76,489,100.59
  5. Step 5: Solve for x
    x = 76,489,100.59/10,641.92
  6. Step 6: Final answer
    x = 7,187.53

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Similar ratio
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1.5x scale

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.