Home / 12,234.26-18,343.98-6,679.91

Finding the Fourth Proportional to 12,234.26, 18,343.98 and 6,679.91

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Solution

The fourth proportional to 12,234.26, 18,343.98 and 6,679.91 is: 10,015.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234.26 : 18,343.98 = 6,679.91 : x
  2. Step 2: Convert to fraction form
    12,234.26/18,343.98 = 6,679.91/x
  3. Step 3: Cross multiply
    12,234.26x = 18,343.98 × 6,679.91
  4. Step 4: Simplify right side
    12,234.26x = 122,536,043.72
  5. Step 5: Solve for x
    x = 122,536,043.72/12,234.26
  6. Step 6: Final answer
    x = 10,015.82

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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.