Home / 11,609.20-17,420.19-6,344.02

Finding the Fourth Proportional to 11,609.20, 17,420.19 and 6,344.02

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Solution

The fourth proportional to 11,609.20, 17,420.19 and 6,344.02 is: 9,519.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,609.20 : 17,420.19 = 6,344.02 : x
  2. Step 2: Convert to fraction form
    11,609.20/17,420.19 = 6,344.02/x
  3. Step 3: Cross multiply
    11,609.20x = 17,420.19 × 6,344.02
  4. Step 4: Simplify right side
    11,609.20x = 110,514,033.76
  5. Step 5: Solve for x
    x = 110,514,033.76/11,609.20
  6. Step 6: Final answer
    x = 9,519.52

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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.