Home / 11,584.72-15,986.92-6,279.52

Finding the Fourth Proportional to 11,584.72, 15,986.92 and 6,279.52

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Solution

The fourth proportional to 11,584.72, 15,986.92 and 6,279.52 is: 8,665.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,584.72 : 15,986.92 = 6,279.52 : x
  2. Step 2: Convert to fraction form
    11,584.72/15,986.92 = 6,279.52/x
  3. Step 3: Cross multiply
    11,584.72x = 15,986.92 × 6,279.52
  4. Step 4: Simplify right side
    11,584.72x = 100,390,183.88
  5. Step 5: Solve for x
    x = 100,390,183.88/11,584.72
  6. Step 6: Final answer
    x = 8,665.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.