Home / 11,318.62-16,973.61-6,121.66

Finding the Fourth Proportional to 11,318.62, 16,973.61 and 6,121.66

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Solution

The fourth proportional to 11,318.62, 16,973.61 and 6,121.66 is: 9,180.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,318.62 : 16,973.61 = 6,121.66 : x
  2. Step 2: Convert to fraction form
    11,318.62/16,973.61 = 6,121.66/x
  3. Step 3: Cross multiply
    11,318.62x = 16,973.61 × 6,121.66
  4. Step 4: Simplify right side
    11,318.62x = 103,906,669.39
  5. Step 5: Solve for x
    x = 103,906,669.39/11,318.62
  6. Step 6: Final answer
    x = 9,180.15

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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.