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Finding the Fourth Proportional to 11,788.92, 17,693.88 and 8,858.28

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Solution

The fourth proportional to 11,788.92, 17,693.88 and 8,858.28 is: 13,295.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,788.92 : 17,693.88 = 8,858.28 : x
  2. Step 2: Convert to fraction form
    11,788.92/17,693.88 = 8,858.28/x
  3. Step 3: Cross multiply
    11,788.92x = 17,693.88 × 8,858.28
  4. Step 4: Simplify right side
    11,788.92x = 156,737,343.33
  5. Step 5: Solve for x
    x = 156,737,343.33/11,788.92
  6. Step 6: Final answer
    x = 13,295.31

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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.