Home / 13,190.26-19,785.25-3,956.26

Finding the Fourth Proportional to 13,190.26, 19,785.25 and 3,956.26

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Solution

The fourth proportional to 13,190.26, 19,785.25 and 3,956.26 is: 5,934.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,190.26 : 19,785.25 = 3,956.26 : x
  2. Step 2: Convert to fraction form
    13,190.26/19,785.25 = 3,956.26/x
  3. Step 3: Cross multiply
    13,190.26x = 19,785.25 × 3,956.26
  4. Step 4: Simplify right side
    13,190.26x = 78,275,593.17
  5. Step 5: Solve for x
    x = 78,275,593.17/13,190.26
  6. Step 6: Final answer
    x = 5,934.35

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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.