Home / 13,601.06-20,399.23-3,605.87

Finding the Fourth Proportional to 13,601.06, 20,399.23 and 3,605.87

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Solution

The fourth proportional to 13,601.06, 20,399.23 and 3,605.87 is: 5,408.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601.06 : 20,399.23 = 3,605.87 : x
  2. Step 2: Convert to fraction form
    13,601.06/20,399.23 = 3,605.87/x
  3. Step 3: Cross multiply
    13,601.06x = 20,399.23 × 3,605.87
  4. Step 4: Simplify right side
    13,601.06x = 73,556,912.24
  5. Step 5: Solve for x
    x = 73,556,912.24/13,601.06
  6. Step 6: Final answer
    x = 5,408.18

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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.