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Finding the Fourth Proportional to 11,480.74, 17,221.11 and 3,695.02

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Solution

The fourth proportional to 11,480.74, 17,221.11 and 3,695.02 is: 5,542.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,480.74 : 17,221.11 = 3,695.02 : x
  2. Step 2: Convert to fraction form
    11,480.74/17,221.11 = 3,695.02/x
  3. Step 3: Cross multiply
    11,480.74x = 17,221.11 × 3,695.02
  4. Step 4: Simplify right side
    11,480.74x = 63,632,345.87
  5. Step 5: Solve for x
    x = 63,632,345.87/11,480.74
  6. Step 6: Final answer
    x = 5,542.53

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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.