Home / 11,231.39-16,841.13-3,438.11

Finding the Fourth Proportional to 11,231.39, 16,841.13 and 3,438.11

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Solution

The fourth proportional to 11,231.39, 16,841.13 and 3,438.11 is: 5,155.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231.39 : 16,841.13 = 3,438.11 : x
  2. Step 2: Convert to fraction form
    11,231.39/16,841.13 = 3,438.11/x
  3. Step 3: Cross multiply
    11,231.39x = 16,841.13 × 3,438.11
  4. Step 4: Simplify right side
    11,231.39x = 57,901,657.46
  5. Step 5: Solve for x
    x = 57,901,657.46/11,231.39
  6. Step 6: Final answer
    x = 5,155.34

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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.