Home / 13,767.26-20,651.09-3,906.56

Finding the Fourth Proportional to 13,767.26, 20,651.09 and 3,906.56

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Solution

The fourth proportional to 13,767.26, 20,651.09 and 3,906.56 is: 5,859.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767.26 : 20,651.09 = 3,906.56 : x
  2. Step 2: Convert to fraction form
    13,767.26/20,651.09 = 3,906.56/x
  3. Step 3: Cross multiply
    13,767.26x = 20,651.09 × 3,906.56
  4. Step 4: Simplify right side
    13,767.26x = 80,674,754.25
  5. Step 5: Solve for x
    x = 80,674,754.25/13,767.26
  6. Step 6: Final answer
    x = 5,859.90

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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.