Home / 11,208.92-16,811.22-3,418.52

Finding the Fourth Proportional to 11,208.92, 16,811.22 and 3,418.52

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Solution

The fourth proportional to 11,208.92, 16,811.22 and 3,418.52 is: 5,127.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.92 : 16,811.22 = 3,418.52 : x
  2. Step 2: Convert to fraction form
    11,208.92/16,811.22 = 3,418.52/x
  3. Step 3: Cross multiply
    11,208.92x = 16,811.22 × 3,418.52
  4. Step 4: Simplify right side
    11,208.92x = 57,469,491.79
  5. Step 5: Solve for x
    x = 57,469,491.79/11,208.92
  6. Step 6: Final answer
    x = 5,127.12

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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.