Home / 13,767.54-20,600.28-8,223.90

Finding the Fourth Proportional to 13,767.54, 20,600.28 and 8,223.90

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Solution

The fourth proportional to 13,767.54, 20,600.28 and 8,223.90 is: 12,305.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767.54 : 20,600.28 = 8,223.90 : x
  2. Step 2: Convert to fraction form
    13,767.54/20,600.28 = 8,223.90/x
  3. Step 3: Cross multiply
    13,767.54x = 20,600.28 × 8,223.90
  4. Step 4: Simplify right side
    13,767.54x = 169,414,642.69
  5. Step 5: Solve for x
    x = 169,414,642.69/13,767.54
  6. Step 6: Final answer
    x = 12,305.37

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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.