Home / 18,122.18-27,183.44-4,974.55

Finding the Fourth Proportional to 18,122.18, 27,183.44 and 4,974.55

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Solution

The fourth proportional to 18,122.18, 27,183.44 and 4,974.55 is: 7,461.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,122.18 : 27,183.44 = 4,974.55 : x
  2. Step 2: Convert to fraction form
    18,122.18/27,183.44 = 4,974.55/x
  3. Step 3: Cross multiply
    18,122.18x = 27,183.44 × 4,974.55
  4. Step 4: Simplify right side
    18,122.18x = 135,225,325.93
  5. Step 5: Solve for x
    x = 135,225,325.93/18,122.18
  6. Step 6: Final answer
    x = 7,461.87

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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.