Home / 18,659.68-27,993.64-6,183.60

Finding the Fourth Proportional to 18,659.68, 27,993.64 and 6,183.60

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Solution

The fourth proportional to 18,659.68, 27,993.64 and 6,183.60 is: 9,276.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,659.68 : 27,993.64 = 6,183.60 : x
  2. Step 2: Convert to fraction form
    18,659.68/27,993.64 = 6,183.60/x
  3. Step 3: Cross multiply
    18,659.68x = 27,993.64 × 6,183.60
  4. Step 4: Simplify right side
    18,659.68x = 173,101,472.30
  5. Step 5: Solve for x
    x = 173,101,472.30/18,659.68
  6. Step 6: Final answer
    x = 9,276.77

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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.