Home / 18,212.18-27,319.82-5,728.52

Finding the Fourth Proportional to 18,212.18, 27,319.82 and 5,728.52

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Solution

The fourth proportional to 18,212.18, 27,319.82 and 5,728.52 is: 8,593.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,212.18 : 27,319.82 = 5,728.52 : x
  2. Step 2: Convert to fraction form
    18,212.18/27,319.82 = 5,728.52/x
  3. Step 3: Cross multiply
    18,212.18x = 27,319.82 × 5,728.52
  4. Step 4: Simplify right side
    18,212.18x = 156,502,174.92
  5. Step 5: Solve for x
    x = 156,502,174.92/18,212.18
  6. Step 6: Final answer
    x = 8,593.27

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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.