Home / 13,204.50-19,806.86-3,343.79

Finding the Fourth Proportional to 13,204.50, 19,806.86 and 3,343.79

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Solution

The fourth proportional to 13,204.50, 19,806.86 and 3,343.79 is: 5,015.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,204.50 : 19,806.86 = 3,343.79 : x
  2. Step 2: Convert to fraction form
    13,204.50/19,806.86 = 3,343.79/x
  3. Step 3: Cross multiply
    13,204.50x = 19,806.86 × 3,343.79
  4. Step 4: Simplify right side
    13,204.50x = 66,229,889.72
  5. Step 5: Solve for x
    x = 66,229,889.72/13,204.50
  6. Step 6: Final answer
    x = 5,015.71

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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.