Home / 13,844.26-20,763.42-3,981.70

Finding the Fourth Proportional to 13,844.26, 20,763.42 and 3,981.70

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Solution

The fourth proportional to 13,844.26, 20,763.42 and 3,981.70 is: 5,971.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,844.26 : 20,763.42 = 3,981.70 : x
  2. Step 2: Convert to fraction form
    13,844.26/20,763.42 = 3,981.70/x
  3. Step 3: Cross multiply
    13,844.26x = 20,763.42 × 3,981.70
  4. Step 4: Simplify right side
    13,844.26x = 82,673,709.41
  5. Step 5: Solve for x
    x = 82,673,709.41/13,844.26
  6. Step 6: Final answer
    x = 5,971.70

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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.