Home / 11,827.30-17,738.66-3,928.58

Finding the Fourth Proportional to 11,827.30, 17,738.66 and 3,928.58

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Solution

The fourth proportional to 11,827.30, 17,738.66 and 3,928.58 is: 5,892.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,827.30 : 17,738.66 = 3,928.58 : x
  2. Step 2: Convert to fraction form
    11,827.30/17,738.66 = 3,928.58/x
  3. Step 3: Cross multiply
    11,827.30x = 17,738.66 × 3,928.58
  4. Step 4: Simplify right side
    11,827.30x = 69,687,725.26
  5. Step 5: Solve for x
    x = 69,687,725.26/11,827.30
  6. Step 6: Final answer
    x = 5,892.11

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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.