Home / 10,992.18-16,489.05-3,976.35

Finding the Fourth Proportional to 10,992.18, 16,489.05 and 3,976.35

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Solution

The fourth proportional to 10,992.18, 16,489.05 and 3,976.35 is: 5,964.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992.18 : 16,489.05 = 3,976.35 : x
  2. Step 2: Convert to fraction form
    10,992.18/16,489.05 = 3,976.35/x
  3. Step 3: Cross multiply
    10,992.18x = 16,489.05 × 3,976.35
  4. Step 4: Simplify right side
    10,992.18x = 65,566,233.97
  5. Step 5: Solve for x
    x = 65,566,233.97/10,992.18
  6. Step 6: Final answer
    x = 5,964.81

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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.