Home / 22,755.15-34,126.02-7,961.31

Finding the Fourth Proportional to 22,755.15, 34,126.02 and 7,961.31

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Solution

The fourth proportional to 22,755.15, 34,126.02 and 7,961.31 is: 11,939.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,755.15 : 34,126.02 = 7,961.31 : x
  2. Step 2: Convert to fraction form
    22,755.15/34,126.02 = 7,961.31/x
  3. Step 3: Cross multiply
    22,755.15x = 34,126.02 × 7,961.31
  4. Step 4: Simplify right side
    22,755.15x = 271,687,824.29
  5. Step 5: Solve for x
    x = 271,687,824.29/22,755.15
  6. Step 6: Final answer
    x = 11,939.62

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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.