Home / 10,229.45-15,344.34-3,209.29

Finding the Fourth Proportional to 10,229.45, 15,344.34 and 3,209.29

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Solution

The fourth proportional to 10,229.45, 15,344.34 and 3,209.29 is: 4,813.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,229.45 : 15,344.34 = 3,209.29 : x
  2. Step 2: Convert to fraction form
    10,229.45/15,344.34 = 3,209.29/x
  3. Step 3: Cross multiply
    10,229.45x = 15,344.34 × 3,209.29
  4. Step 4: Simplify right side
    10,229.45x = 49,244,436.92
  5. Step 5: Solve for x
    x = 49,244,436.92/10,229.45
  6. Step 6: Final answer
    x = 4,813.99

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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.