Home / 12,244.36-18,367.92-3,922.44

Finding the Fourth Proportional to 12,244.36, 18,367.92 and 3,922.44

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Solution

The fourth proportional to 12,244.36, 18,367.92 and 3,922.44 is: 5,884.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,244.36 : 18,367.92 = 3,922.44 : x
  2. Step 2: Convert to fraction form
    12,244.36/18,367.92 = 3,922.44/x
  3. Step 3: Cross multiply
    12,244.36x = 18,367.92 × 3,922.44
  4. Step 4: Simplify right side
    12,244.36x = 72,047,064.12
  5. Step 5: Solve for x
    x = 72,047,064.12/12,244.36
  6. Step 6: Final answer
    x = 5,884.10

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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.