Home / 12,183.23-18,278.58-5,942.36

Finding the Fourth Proportional to 12,183.23, 18,278.58 and 5,942.36

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Solution

The fourth proportional to 12,183.23, 18,278.58 and 5,942.36 is: 8,915.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183.23 : 18,278.58 = 5,942.36 : x
  2. Step 2: Convert to fraction form
    12,183.23/18,278.58 = 5,942.36/x
  3. Step 3: Cross multiply
    12,183.23x = 18,278.58 × 5,942.36
  4. Step 4: Simplify right side
    12,183.23x = 108,617,902.65
  5. Step 5: Solve for x
    x = 108,617,902.65/12,183.23
  6. Step 6: Final answer
    x = 8,915.36

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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.