Home / 13,067.52-19,563.90-12,239.88

Finding the Fourth Proportional to 13,067.52, 19,563.90 and 12,239.88

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Solution

The fourth proportional to 13,067.52, 19,563.90 and 12,239.88 is: 18,324.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,067.52 : 19,563.90 = 12,239.88 : x
  2. Step 2: Convert to fraction form
    13,067.52/19,563.90 = 12,239.88/x
  3. Step 3: Cross multiply
    13,067.52x = 19,563.90 × 12,239.88
  4. Step 4: Simplify right side
    13,067.52x = 239,459,788.33
  5. Step 5: Solve for x
    x = 239,459,788.33/13,067.52
  6. Step 6: Final answer
    x = 18,324.81

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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.