Home / 13,727.49-20,592-3,867.54

Finding the Fourth Proportional to 13,727.49, 20,592 and 3,867.54

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Solution

The fourth proportional to 13,727.49, 20,592 and 3,867.54 is: 5,801.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.49 : 20,592 = 3,867.54 : x
  2. Step 2: Convert to fraction form
    13,727.49/20,592 = 3,867.54/x
  3. Step 3: Cross multiply
    13,727.49x = 20,592 × 3,867.54
  4. Step 4: Simplify right side
    13,727.49x = 79,640,383.68
  5. Step 5: Solve for x
    x = 79,640,383.68/13,727.49
  6. Step 6: Final answer
    x = 5,801.53

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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.