Home / 11,324.88-16,989.48-3,531.87

Finding the Fourth Proportional to 11,324.88, 16,989.48 and 3,531.87

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Solution

The fourth proportional to 11,324.88, 16,989.48 and 3,531.87 is: 5,298.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,324.88 : 16,989.48 = 3,531.87 : x
  2. Step 2: Convert to fraction form
    11,324.88/16,989.48 = 3,531.87/x
  3. Step 3: Cross multiply
    11,324.88x = 16,989.48 × 3,531.87
  4. Step 4: Simplify right side
    11,324.88x = 60,004,634.73
  5. Step 5: Solve for x
    x = 60,004,634.73/11,324.88
  6. Step 6: Final answer
    x = 5,298.48

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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.