Home / 13,198.22-19,797.91-3,838.03

Finding the Fourth Proportional to 13,198.22, 19,797.91 and 3,838.03

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Solution

The fourth proportional to 13,198.22, 19,797.91 and 3,838.03 is: 5,757.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,198.22 : 19,797.91 = 3,838.03 : x
  2. Step 2: Convert to fraction form
    13,198.22/19,797.91 = 3,838.03/x
  3. Step 3: Cross multiply
    13,198.22x = 19,797.91 × 3,838.03
  4. Step 4: Simplify right side
    13,198.22x = 75,984,972.52
  5. Step 5: Solve for x
    x = 75,984,972.52/13,198.22
  6. Step 6: Final answer
    x = 5,757.21

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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.