Home / 13,402.44-20,082.92-5,077.94

Finding the Fourth Proportional to 13,402.44, 20,082.92 and 5,077.94

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Solution

The fourth proportional to 13,402.44, 20,082.92 and 5,077.94 is: 7,609.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,402.44 : 20,082.92 = 5,077.94 : x
  2. Step 2: Convert to fraction form
    13,402.44/20,082.92 = 5,077.94/x
  3. Step 3: Cross multiply
    13,402.44x = 20,082.92 × 5,077.94
  4. Step 4: Simplify right side
    13,402.44x = 101,979,899.93
  5. Step 5: Solve for x
    x = 101,979,899.93/13,402.44
  6. Step 6: Final answer
    x = 7,609.06

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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.