Home / 12,183.96-18,257.48-9,049.31

Finding the Fourth Proportional to 12,183.96, 18,257.48 and 9,049.31

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Solution

The fourth proportional to 12,183.96, 18,257.48 and 9,049.31 is: 13,560.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183.96 : 18,257.48 = 9,049.31 : x
  2. Step 2: Convert to fraction form
    12,183.96/18,257.48 = 9,049.31/x
  3. Step 3: Cross multiply
    12,183.96x = 18,257.48 × 9,049.31
  4. Step 4: Simplify right side
    12,183.96x = 165,217,596.34
  5. Step 5: Solve for x
    x = 165,217,596.34/12,183.96
  6. Step 6: Final answer
    x = 13,560.25

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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.