Home / 13,850.34-20,773.92-3,855.90

Finding the Fourth Proportional to 13,850.34, 20,773.92 and 3,855.90

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Solution

The fourth proportional to 13,850.34, 20,773.92 and 3,855.90 is: 5,783.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.34 : 20,773.92 = 3,855.90 : x
  2. Step 2: Convert to fraction form
    13,850.34/20,773.92 = 3,855.90/x
  3. Step 3: Cross multiply
    13,850.34x = 20,773.92 × 3,855.90
  4. Step 4: Simplify right side
    13,850.34x = 80,102,158.13
  5. Step 5: Solve for x
    x = 80,102,158.13/13,850.34
  6. Step 6: Final answer
    x = 5,783.41

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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.