Home / 15,755.40-23,633.10-7,963.20

Finding the Fourth Proportional to 15,755.40, 23,633.10 and 7,963.20

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Solution

The fourth proportional to 15,755.40, 23,633.10 and 7,963.20 is: 11,944.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,755.40 : 23,633.10 = 7,963.20 : x
  2. Step 2: Convert to fraction form
    15,755.40/23,633.10 = 7,963.20/x
  3. Step 3: Cross multiply
    15,755.40x = 23,633.10 × 7,963.20
  4. Step 4: Simplify right side
    15,755.40x = 188,195,101.92
  5. Step 5: Solve for x
    x = 188,195,101.92/15,755.40
  6. Step 6: Final answer
    x = 11,944.80

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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.