Home / 13,694.01-20,540.97-3,305.76

Finding the Fourth Proportional to 13,694.01, 20,540.97 and 3,305.76

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Solution

The fourth proportional to 13,694.01, 20,540.97 and 3,305.76 is: 4,958.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694.01 : 20,540.97 = 3,305.76 : x
  2. Step 2: Convert to fraction form
    13,694.01/20,540.97 = 3,305.76/x
  3. Step 3: Cross multiply
    13,694.01x = 20,540.97 × 3,305.76
  4. Step 4: Simplify right side
    13,694.01x = 67,903,516.99
  5. Step 5: Solve for x
    x = 67,903,516.99/13,694.01
  6. Step 6: Final answer
    x = 4,958.63

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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.