Home / 13,844.43-20,763.54-3,981.51

Finding the Fourth Proportional to 13,844.43, 20,763.54 and 3,981.51

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Solution

The fourth proportional to 13,844.43, 20,763.54 and 3,981.51 is: 5,971.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,844.43 : 20,763.54 = 3,981.51 : x
  2. Step 2: Convert to fraction form
    13,844.43/20,763.54 = 3,981.51/x
  3. Step 3: Cross multiply
    13,844.43x = 20,763.54 × 3,981.51
  4. Step 4: Simplify right side
    13,844.43x = 82,670,242.15
  5. Step 5: Solve for x
    x = 82,670,242.15/13,844.43
  6. Step 6: Final answer
    x = 5,971.37

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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.