Home / 13,616.26-20,425.64-5,296.90

Finding the Fourth Proportional to 13,616.26, 20,425.64 and 5,296.90

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Solution

The fourth proportional to 13,616.26, 20,425.64 and 5,296.90 is: 7,945.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,616.26 : 20,425.64 = 5,296.90 : x
  2. Step 2: Convert to fraction form
    13,616.26/20,425.64 = 5,296.90/x
  3. Step 3: Cross multiply
    13,616.26x = 20,425.64 × 5,296.90
  4. Step 4: Simplify right side
    13,616.26x = 108,192,443.90
  5. Step 5: Solve for x
    x = 108,192,443.90/13,616.26
  6. Step 6: Final answer
    x = 7,945.83

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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.