Home / 10,199.70-15,299.55-3,626.55

Finding the Fourth Proportional to 10,199.70, 15,299.55 and 3,626.55

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Solution

The fourth proportional to 10,199.70, 15,299.55 and 3,626.55 is: 5,439.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,199.70 : 15,299.55 = 3,626.55 : x
  2. Step 2: Convert to fraction form
    10,199.70/15,299.55 = 3,626.55/x
  3. Step 3: Cross multiply
    10,199.70x = 15,299.55 × 3,626.55
  4. Step 4: Simplify right side
    10,199.70x = 55,484,583.05
  5. Step 5: Solve for x
    x = 55,484,583.05/10,199.70
  6. Step 6: Final answer
    x = 5,439.83

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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.