Home / 11,989.26-17,976.11-4,967.37

Finding the Fourth Proportional to 11,989.26, 17,976.11 and 4,967.37

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Solution

The fourth proportional to 11,989.26, 17,976.11 and 4,967.37 is: 7,447.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,989.26 : 17,976.11 = 4,967.37 : x
  2. Step 2: Convert to fraction form
    11,989.26/17,976.11 = 4,967.37/x
  3. Step 3: Cross multiply
    11,989.26x = 17,976.11 × 4,967.37
  4. Step 4: Simplify right side
    11,989.26x = 89,293,964.69
  5. Step 5: Solve for x
    x = 89,293,964.69/11,989.26
  6. Step 6: Final answer
    x = 7,447.83

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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.