Home / 18,882.08-28,321.27-5,734.56

Finding the Fourth Proportional to 18,882.08, 28,321.27 and 5,734.56

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Solution

The fourth proportional to 18,882.08, 28,321.27 and 5,734.56 is: 8,601.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,882.08 : 28,321.27 = 5,734.56 : x
  2. Step 2: Convert to fraction form
    18,882.08/28,321.27 = 5,734.56/x
  3. Step 3: Cross multiply
    18,882.08x = 28,321.27 × 5,734.56
  4. Step 4: Simplify right side
    18,882.08x = 162,410,022.09
  5. Step 5: Solve for x
    x = 162,410,022.09/18,882.08
  6. Step 6: Final answer
    x = 8,601.28

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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.