Home / 13,786.62-20,673.72-3,923.52

Finding the Fourth Proportional to 13,786.62, 20,673.72 and 3,923.52

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Solution

The fourth proportional to 13,786.62, 20,673.72 and 3,923.52 is: 5,883.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,786.62 : 20,673.72 = 3,923.52 : x
  2. Step 2: Convert to fraction form
    13,786.62/20,673.72 = 3,923.52/x
  3. Step 3: Cross multiply
    13,786.62x = 20,673.72 × 3,923.52
  4. Step 4: Simplify right side
    13,786.62x = 81,113,753.89
  5. Step 5: Solve for x
    x = 81,113,753.89/13,786.62
  6. Step 6: Final answer
    x = 5,883.51

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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.