Home / 15,829.70-21,844.89-8,755.97

Finding the Fourth Proportional to 15,829.70, 21,844.89 and 8,755.97

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Solution

The fourth proportional to 15,829.70, 21,844.89 and 8,755.97 is: 12,083.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,829.70 : 21,844.89 = 8,755.97 : x
  2. Step 2: Convert to fraction form
    15,829.70/21,844.89 = 8,755.97/x
  3. Step 3: Cross multiply
    15,829.70x = 21,844.89 × 8,755.97
  4. Step 4: Simplify right side
    15,829.70x = 191,273,092.27
  5. Step 5: Solve for x
    x = 191,273,092.27/15,829.70
  6. Step 6: Final answer
    x = 12,083.18

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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.