Home / 20,182.24-30,273.44-5,391.20

Finding the Fourth Proportional to 20,182.24, 30,273.44 and 5,391.20

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Solution

The fourth proportional to 20,182.24, 30,273.44 and 5,391.20 is: 8,086.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182.24 : 30,273.44 = 5,391.20 : x
  2. Step 2: Convert to fraction form
    20,182.24/30,273.44 = 5,391.20/x
  3. Step 3: Cross multiply
    20,182.24x = 30,273.44 × 5,391.20
  4. Step 4: Simplify right side
    20,182.24x = 163,210,169.73
  5. Step 5: Solve for x
    x = 163,210,169.73/20,182.24
  6. Step 6: Final answer
    x = 8,086.82

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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.