Home / 10,185.92-15,274.26-3,163.85

Finding the Fourth Proportional to 10,185.92, 15,274.26 and 3,163.85

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Solution

The fourth proportional to 10,185.92, 15,274.26 and 3,163.85 is: 4,744.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,185.92 : 15,274.26 = 3,163.85 : x
  2. Step 2: Convert to fraction form
    10,185.92/15,274.26 = 3,163.85/x
  3. Step 3: Cross multiply
    10,185.92x = 15,274.26 × 3,163.85
  4. Step 4: Simplify right side
    10,185.92x = 48,325,391.13
  5. Step 5: Solve for x
    x = 48,325,391.13/10,185.92
  6. Step 6: Final answer
    x = 4,744.33

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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.