Home / 8,856.20-13,284.30-8,049.80

Finding the Fourth Proportional to 8,856.20, 13,284.30 and 8,049.80

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Solution

The fourth proportional to 8,856.20, 13,284.30 and 8,049.80 is: 12,074.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.20 : 13,284.30 = 8,049.80 : x
  2. Step 2: Convert to fraction form
    8,856.20/13,284.30 = 8,049.80/x
  3. Step 3: Cross multiply
    8,856.20x = 13,284.30 × 8,049.80
  4. Step 4: Simplify right side
    8,856.20x = 106,935,958.14
  5. Step 5: Solve for x
    x = 106,935,958.14/8,856.20
  6. Step 6: Final answer
    x = 12,074.70

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Similar ratio
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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.