Home / 21,584.67-29,787.66-11,894.54

Finding the Fourth Proportional to 21,584.67, 29,787.66 and 11,894.54

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Solution

The fourth proportional to 21,584.67, 29,787.66 and 11,894.54 is: 16,414.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,584.67 : 29,787.66 = 11,894.54 : x
  2. Step 2: Convert to fraction form
    21,584.67/29,787.66 = 11,894.54/x
  3. Step 3: Cross multiply
    21,584.67x = 29,787.66 × 11,894.54
  4. Step 4: Simplify right side
    21,584.67x = 354,310,304.97
  5. Step 5: Solve for x
    x = 354,310,304.97/21,584.67
  6. Step 6: Final answer
    x = 16,414.90

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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.