Home / 13,977.22-20,965.85-3,588.97

Finding the Fourth Proportional to 13,977.22, 20,965.85 and 3,588.97

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Solution

The fourth proportional to 13,977.22, 20,965.85 and 3,588.97 is: 5,383.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,977.22 : 20,965.85 = 3,588.97 : x
  2. Step 2: Convert to fraction form
    13,977.22/20,965.85 = 3,588.97/x
  3. Step 3: Cross multiply
    13,977.22x = 20,965.85 × 3,588.97
  4. Step 4: Simplify right side
    13,977.22x = 75,245,806.67
  5. Step 5: Solve for x
    x = 75,245,806.67/13,977.22
  6. Step 6: Final answer
    x = 5,383.46

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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.