Home / 18,192.20-27,237.68-9,288.30

Finding the Fourth Proportional to 18,192.20, 27,237.68 and 9,288.30

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Solution

The fourth proportional to 18,192.20, 27,237.68 and 9,288.30 is: 13,906.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192.20 : 27,237.68 = 9,288.30 : x
  2. Step 2: Convert to fraction form
    18,192.20/27,237.68 = 9,288.30/x
  3. Step 3: Cross multiply
    18,192.20x = 27,237.68 × 9,288.30
  4. Step 4: Simplify right side
    18,192.20x = 252,991,616.92
  5. Step 5: Solve for x
    x = 252,991,616.92/18,192.20
  6. Step 6: Final answer
    x = 13,906.60

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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.