Home / 13,319.92-19,982.36-5,529.36

Finding the Fourth Proportional to 13,319.92, 19,982.36 and 5,529.36

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Solution

The fourth proportional to 13,319.92, 19,982.36 and 5,529.36 is: 8,295.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319.92 : 19,982.36 = 5,529.36 : x
  2. Step 2: Convert to fraction form
    13,319.92/19,982.36 = 5,529.36/x
  3. Step 3: Cross multiply
    13,319.92x = 19,982.36 × 5,529.36
  4. Step 4: Simplify right side
    13,319.92x = 110,489,662.09
  5. Step 5: Solve for x
    x = 110,489,662.09/13,319.92
  6. Step 6: Final answer
    x = 8,295.07

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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.