Home / 18,301.82-27,456.39-7,771.76

Finding the Fourth Proportional to 18,301.82, 27,456.39 and 7,771.76

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Solution

The fourth proportional to 18,301.82, 27,456.39 and 7,771.76 is: 11,659.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301.82 : 27,456.39 = 7,771.76 : x
  2. Step 2: Convert to fraction form
    18,301.82/27,456.39 = 7,771.76/x
  3. Step 3: Cross multiply
    18,301.82x = 27,456.39 × 7,771.76
  4. Step 4: Simplify right side
    18,301.82x = 213,384,383.86
  5. Step 5: Solve for x
    x = 213,384,383.86/18,301.82
  6. Step 6: Final answer
    x = 11,659.19

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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.