Home / 13,480.73-20,223.82-5,161.01

Finding the Fourth Proportional to 13,480.73, 20,223.82 and 5,161.01

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Solution

The fourth proportional to 13,480.73, 20,223.82 and 5,161.01 is: 7,742.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480.73 : 20,223.82 = 5,161.01 : x
  2. Step 2: Convert to fraction form
    13,480.73/20,223.82 = 5,161.01/x
  3. Step 3: Cross multiply
    13,480.73x = 20,223.82 × 5,161.01
  4. Step 4: Simplify right side
    13,480.73x = 104,375,337.26
  5. Step 5: Solve for x
    x = 104,375,337.26/13,480.73
  6. Step 6: Final answer
    x = 7,742.56

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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.