Home / 13,717.56-20,576.36-3,329.31

Finding the Fourth Proportional to 13,717.56, 20,576.36 and 3,329.31

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Solution

The fourth proportional to 13,717.56, 20,576.36 and 3,329.31 is: 4,993.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,717.56 : 20,576.36 = 3,329.31 : x
  2. Step 2: Convert to fraction form
    13,717.56/20,576.36 = 3,329.31/x
  3. Step 3: Cross multiply
    13,717.56x = 20,576.36 × 3,329.31
  4. Step 4: Simplify right side
    13,717.56x = 68,505,081.11
  5. Step 5: Solve for x
    x = 68,505,081.11/13,717.56
  6. Step 6: Final answer
    x = 4,993.97

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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.