Home / 10,324.75-15,487.13-3,399.79

Finding the Fourth Proportional to 10,324.75, 15,487.13 and 3,399.79

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Solution

The fourth proportional to 10,324.75, 15,487.13 and 3,399.79 is: 5,099.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,324.75 : 15,487.13 = 3,399.79 : x
  2. Step 2: Convert to fraction form
    10,324.75/15,487.13 = 3,399.79/x
  3. Step 3: Cross multiply
    10,324.75x = 15,487.13 × 3,399.79
  4. Step 4: Simplify right side
    10,324.75x = 52,652,989.70
  5. Step 5: Solve for x
    x = 52,652,989.70/10,324.75
  6. Step 6: Final answer
    x = 5,099.69

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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.