Home / 18,123.75-27,183.60-6,276.29

Finding the Fourth Proportional to 18,123.75, 27,183.60 and 6,276.29

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Solution

The fourth proportional to 18,123.75, 27,183.60 and 6,276.29 is: 9,413.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,123.75 : 27,183.60 = 6,276.29 : x
  2. Step 2: Convert to fraction form
    18,123.75/27,183.60 = 6,276.29/x
  3. Step 3: Cross multiply
    18,123.75x = 27,183.60 × 6,276.29
  4. Step 4: Simplify right side
    18,123.75x = 170,612,020.93
  5. Step 5: Solve for x
    x = 170,612,020.93/18,123.75
  6. Step 6: Final answer
    x = 9,413.73

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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.