Home / 8,099.12-12,148.68-2,255.72

Finding the Fourth Proportional to 8,099.12, 12,148.68 and 2,255.72

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Solution

The fourth proportional to 8,099.12, 12,148.68 and 2,255.72 is: 3,383.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,099.12 : 12,148.68 = 2,255.72 : x
  2. Step 2: Convert to fraction form
    8,099.12/12,148.68 = 2,255.72/x
  3. Step 3: Cross multiply
    8,099.12x = 12,148.68 × 2,255.72
  4. Step 4: Simplify right side
    8,099.12x = 27,404,020.45
  5. Step 5: Solve for x
    x = 27,404,020.45/8,099.12
  6. Step 6: Final answer
    x = 3,383.58

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Double scale
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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.