Home / 10,640.97-15,961.46-3,245.47

Finding the Fourth Proportional to 10,640.97, 15,961.46 and 3,245.47

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Solution

The fourth proportional to 10,640.97, 15,961.46 and 3,245.47 is: 4,868.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,640.97 : 15,961.46 = 3,245.47 : x
  2. Step 2: Convert to fraction form
    10,640.97/15,961.46 = 3,245.47/x
  3. Step 3: Cross multiply
    10,640.97x = 15,961.46 × 3,245.47
  4. Step 4: Simplify right side
    10,640.97x = 51,802,383.46
  5. Step 5: Solve for x
    x = 51,802,383.46/10,640.97
  6. Step 6: Final answer
    x = 4,868.20

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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.