Home / 26,163.40-39,244.92-8,634.64

Finding the Fourth Proportional to 26,163.40, 39,244.92 and 8,634.64

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Solution

The fourth proportional to 26,163.40, 39,244.92 and 8,634.64 is: 12,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,163.40 : 39,244.92 = 8,634.64 : x
  2. Step 2: Convert to fraction form
    26,163.40/39,244.92 = 8,634.64/x
  3. Step 3: Cross multiply
    26,163.40x = 39,244.92 × 8,634.64
  4. Step 4: Simplify right side
    26,163.40x = 338,865,756.03
  5. Step 5: Solve for x
    x = 338,865,756.03/26,163.40
  6. Step 6: Final answer
    x = 12,951.90

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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.