Home / 10,099.38-15,149.01-4,255.99

Finding the Fourth Proportional to 10,099.38, 15,149.01 and 4,255.99

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Solution

The fourth proportional to 10,099.38, 15,149.01 and 4,255.99 is: 6,383.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,099.38 : 15,149.01 = 4,255.99 : x
  2. Step 2: Convert to fraction form
    10,099.38/15,149.01 = 4,255.99/x
  3. Step 3: Cross multiply
    10,099.38x = 15,149.01 × 4,255.99
  4. Step 4: Simplify right side
    10,099.38x = 64,474,035.07
  5. Step 5: Solve for x
    x = 64,474,035.07/10,099.38
  6. Step 6: Final answer
    x = 6,383.96

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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.