Home / 12,122.28-18,183.41-3,803.03

Finding the Fourth Proportional to 12,122.28, 18,183.41 and 3,803.03

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Solution

The fourth proportional to 12,122.28, 18,183.41 and 3,803.03 is: 5,704.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,122.28 : 18,183.41 = 3,803.03 : x
  2. Step 2: Convert to fraction form
    12,122.28/18,183.41 = 3,803.03/x
  3. Step 3: Cross multiply
    12,122.28x = 18,183.41 × 3,803.03
  4. Step 4: Simplify right side
    12,122.28x = 69,151,943.80
  5. Step 5: Solve for x
    x = 69,151,943.80/12,122.28
  6. Step 6: Final answer
    x = 5,704.53

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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.