Home / 18,383.88-27,575.76-5,236.38

Finding the Fourth Proportional to 18,383.88, 27,575.76 and 5,236.38

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Solution

The fourth proportional to 18,383.88, 27,575.76 and 5,236.38 is: 7,854.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,383.88 : 27,575.76 = 5,236.38 : x
  2. Step 2: Convert to fraction form
    18,383.88/27,575.76 = 5,236.38/x
  3. Step 3: Cross multiply
    18,383.88x = 27,575.76 × 5,236.38
  4. Step 4: Simplify right side
    18,383.88x = 144,397,158.15
  5. Step 5: Solve for x
    x = 144,397,158.15/18,383.88
  6. Step 6: Final answer
    x = 7,854.55

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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.