Home / 10,269.72-15,414.21-5,342.85

Finding the Fourth Proportional to 10,269.72, 15,414.21 and 5,342.85

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Solution

The fourth proportional to 10,269.72, 15,414.21 and 5,342.85 is: 8,019.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269.72 : 15,414.21 = 5,342.85 : x
  2. Step 2: Convert to fraction form
    10,269.72/15,414.21 = 5,342.85/x
  3. Step 3: Cross multiply
    10,269.72x = 15,414.21 × 5,342.85
  4. Step 4: Simplify right side
    10,269.72x = 82,355,811.90
  5. Step 5: Solve for x
    x = 82,355,811.90/10,269.72
  6. Step 6: Final answer
    x = 8,019.29

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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.