Home / 12,383.67-18,581.88-8,226.54

Finding the Fourth Proportional to 12,383.67, 18,581.88 and 8,226.54

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Solution

The fourth proportional to 12,383.67, 18,581.88 and 8,226.54 is: 12,344.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,383.67 : 18,581.88 = 8,226.54 : x
  2. Step 2: Convert to fraction form
    12,383.67/18,581.88 = 8,226.54/x
  3. Step 3: Cross multiply
    12,383.67x = 18,581.88 × 8,226.54
  4. Step 4: Simplify right side
    12,383.67x = 152,864,579.10
  5. Step 5: Solve for x
    x = 152,864,579.10/12,383.67
  6. Step 6: Final answer
    x = 12,344.04

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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.