Home / 13,956.27-20,934.41-5,190.04

Finding the Fourth Proportional to 13,956.27, 20,934.41 and 5,190.04

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Solution

The fourth proportional to 13,956.27, 20,934.41 and 5,190.04 is: 7,785.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,956.27 : 20,934.41 = 5,190.04 : x
  2. Step 2: Convert to fraction form
    13,956.27/20,934.41 = 5,190.04/x
  3. Step 3: Cross multiply
    13,956.27x = 20,934.41 × 5,190.04
  4. Step 4: Simplify right side
    13,956.27x = 108,650,399.33
  5. Step 5: Solve for x
    x = 108,650,399.33/13,956.27
  6. Step 6: Final answer
    x = 7,785.06

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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.