Home / 8,743.20-13,103.86-6,886.97

Finding the Fourth Proportional to 8,743.20, 13,103.86 and 6,886.97

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Solution

The fourth proportional to 8,743.20, 13,103.86 and 6,886.97 is: 10,321.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.20 : 13,103.86 = 6,886.97 : x
  2. Step 2: Convert to fraction form
    8,743.20/13,103.86 = 6,886.97/x
  3. Step 3: Cross multiply
    8,743.20x = 13,103.86 × 6,886.97
  4. Step 4: Simplify right side
    8,743.20x = 90,245,890.70
  5. Step 5: Solve for x
    x = 90,245,890.70/8,743.20
  6. Step 6: Final answer
    x = 10,321.84

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1.5x scale

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.