Home / 18,208.11-27,313.34-5,728.62

Finding the Fourth Proportional to 18,208.11, 27,313.34 and 5,728.62

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Solution

The fourth proportional to 18,208.11, 27,313.34 and 5,728.62 is: 8,593.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208.11 : 27,313.34 = 5,728.62 : x
  2. Step 2: Convert to fraction form
    18,208.11/27,313.34 = 5,728.62/x
  3. Step 3: Cross multiply
    18,208.11x = 27,313.34 × 5,728.62
  4. Step 4: Simplify right side
    18,208.11x = 156,467,745.79
  5. Step 5: Solve for x
    x = 156,467,745.79/18,208.11
  6. Step 6: Final answer
    x = 8,593.30

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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.