Home / 13,124.20-19,693.50-6,198.52

Finding the Fourth Proportional to 13,124.20, 19,693.50 and 6,198.52

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Solution

The fourth proportional to 13,124.20, 19,693.50 and 6,198.52 is: 9,301.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124.20 : 19,693.50 = 6,198.52 : x
  2. Step 2: Convert to fraction form
    13,124.20/19,693.50 = 6,198.52/x
  3. Step 3: Cross multiply
    13,124.20x = 19,693.50 × 6,198.52
  4. Step 4: Simplify right side
    13,124.20x = 122,070,553.62
  5. Step 5: Solve for x
    x = 122,070,553.62/13,124.20
  6. Step 6: Final answer
    x = 9,301.18

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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.