Home / 12,517.70-17,273.25-7,480.92

Finding the Fourth Proportional to 12,517.70, 17,273.25 and 7,480.92

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Solution

The fourth proportional to 12,517.70, 17,273.25 and 7,480.92 is: 10,322.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,517.70 : 17,273.25 = 7,480.92 : x
  2. Step 2: Convert to fraction form
    12,517.70/17,273.25 = 7,480.92/x
  3. Step 3: Cross multiply
    12,517.70x = 17,273.25 × 7,480.92
  4. Step 4: Simplify right side
    12,517.70x = 129,219,763.99
  5. Step 5: Solve for x
    x = 129,219,763.99/12,517.70
  6. Step 6: Final answer
    x = 10,322.96

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.