Home / 13,383.87-20,076.03-3,522.77

Finding the Fourth Proportional to 13,383.87, 20,076.03 and 3,522.77

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Solution

The fourth proportional to 13,383.87, 20,076.03 and 3,522.77 is: 5,284.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,383.87 : 20,076.03 = 3,522.77 : x
  2. Step 2: Convert to fraction form
    13,383.87/20,076.03 = 3,522.77/x
  3. Step 3: Cross multiply
    13,383.87x = 20,076.03 × 3,522.77
  4. Step 4: Simplify right side
    13,383.87x = 70,723,324.04
  5. Step 5: Solve for x
    x = 70,723,324.04/13,383.87
  6. Step 6: Final answer
    x = 5,284.22

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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.