Home / 11,272.60-16,911.78-3,481.48

Finding the Fourth Proportional to 11,272.60, 16,911.78 and 3,481.48

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Solution

The fourth proportional to 11,272.60, 16,911.78 and 3,481.48 is: 5,223.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272.60 : 16,911.78 = 3,481.48 : x
  2. Step 2: Convert to fraction form
    11,272.60/16,911.78 = 3,481.48/x
  3. Step 3: Cross multiply
    11,272.60x = 16,911.78 × 3,481.48
  4. Step 4: Simplify right side
    11,272.60x = 58,878,023.83
  5. Step 5: Solve for x
    x = 58,878,023.83/11,272.60
  6. Step 6: Final answer
    x = 5,223.11

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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.