Home / 10,439.33-15,659.74-4,199.38

Finding the Fourth Proportional to 10,439.33, 15,659.74 and 4,199.38

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Solution

The fourth proportional to 10,439.33, 15,659.74 and 4,199.38 is: 6,299.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,439.33 : 15,659.74 = 4,199.38 : x
  2. Step 2: Convert to fraction form
    10,439.33/15,659.74 = 4,199.38/x
  3. Step 3: Cross multiply
    10,439.33x = 15,659.74 × 4,199.38
  4. Step 4: Simplify right side
    10,439.33x = 65,761,198.96
  5. Step 5: Solve for x
    x = 65,761,198.96/10,439.33
  6. Step 6: Final answer
    x = 6,299.37

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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.