Home / 18,383.82-27,580.05-5,236.38

Finding the Fourth Proportional to 18,383.82, 27,580.05 and 5,236.38

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Solution

The fourth proportional to 18,383.82, 27,580.05 and 5,236.38 is: 7,855.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,383.82 : 27,580.05 = 5,236.38 : x
  2. Step 2: Convert to fraction form
    18,383.82/27,580.05 = 5,236.38/x
  3. Step 3: Cross multiply
    18,383.82x = 27,580.05 × 5,236.38
  4. Step 4: Simplify right side
    18,383.82x = 144,419,622.22
  5. Step 5: Solve for x
    x = 144,419,622.22/18,383.82
  6. Step 6: Final answer
    x = 7,855.80

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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.