Home / 13,383.40-20,080.26-5,982.64

Finding the Fourth Proportional to 13,383.40, 20,080.26 and 5,982.64

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Solution

The fourth proportional to 13,383.40, 20,080.26 and 5,982.64 is: 8,976.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,383.40 : 20,080.26 = 5,982.64 : x
  2. Step 2: Convert to fraction form
    13,383.40/20,080.26 = 5,982.64/x
  3. Step 3: Cross multiply
    13,383.40x = 20,080.26 × 5,982.64
  4. Step 4: Simplify right side
    13,383.40x = 120,132,966.69
  5. Step 5: Solve for x
    x = 120,132,966.69/13,383.40
  6. Step 6: Final answer
    x = 8,976.27

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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.