Home / 12,418.26-18,623.72-3,651.08

Finding the Fourth Proportional to 12,418.26, 18,623.72 and 3,651.08

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Solution

The fourth proportional to 12,418.26, 18,623.72 and 3,651.08 is: 5,475.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,418.26 : 18,623.72 = 3,651.08 : x
  2. Step 2: Convert to fraction form
    12,418.26/18,623.72 = 3,651.08/x
  3. Step 3: Cross multiply
    12,418.26x = 18,623.72 × 3,651.08
  4. Step 4: Simplify right side
    12,418.26x = 67,996,691.62
  5. Step 5: Solve for x
    x = 67,996,691.62/12,418.26
  6. Step 6: Final answer
    x = 5,475.54

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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.