Home / 11,963.60-17,910.32-8,393.36

Finding the Fourth Proportional to 11,963.60, 17,910.32 and 8,393.36

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Solution

The fourth proportional to 11,963.60, 17,910.32 and 8,393.36 is: 12,565.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,963.60 : 17,910.32 = 8,393.36 : x
  2. Step 2: Convert to fraction form
    11,963.60/17,910.32 = 8,393.36/x
  3. Step 3: Cross multiply
    11,963.60x = 17,910.32 × 8,393.36
  4. Step 4: Simplify right side
    11,963.60x = 150,327,763.48
  5. Step 5: Solve for x
    x = 150,327,763.48/11,963.60
  6. Step 6: Final answer
    x = 12,565.43

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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.