Home / 13,323.92-19,982.10-3,963.56

Finding the Fourth Proportional to 13,323.92, 19,982.10 and 3,963.56

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Solution

The fourth proportional to 13,323.92, 19,982.10 and 3,963.56 is: 5,944.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,323.92 : 19,982.10 = 3,963.56 : x
  2. Step 2: Convert to fraction form
    13,323.92/19,982.10 = 3,963.56/x
  3. Step 3: Cross multiply
    13,323.92x = 19,982.10 × 3,963.56
  4. Step 4: Simplify right side
    13,323.92x = 79,200,252.28
  5. Step 5: Solve for x
    x = 79,200,252.28/13,323.92
  6. Step 6: Final answer
    x = 5,944.22

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1.5x scale

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.