Home / 12,146.26-18,201.68-5,383.70

Finding the Fourth Proportional to 12,146.26, 18,201.68 and 5,383.70

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Solution

The fourth proportional to 12,146.26, 18,201.68 and 5,383.70 is: 8,067.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,146.26 : 18,201.68 = 5,383.70 : x
  2. Step 2: Convert to fraction form
    12,146.26/18,201.68 = 5,383.70/x
  3. Step 3: Cross multiply
    12,146.26x = 18,201.68 × 5,383.70
  4. Step 4: Simplify right side
    12,146.26x = 97,992,384.62
  5. Step 5: Solve for x
    x = 97,992,384.62/12,146.26
  6. Step 6: Final answer
    x = 8,067.70

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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.