Home / 12,183.46-18,282.48-5,257.96

Finding the Fourth Proportional to 12,183.46, 18,282.48 and 5,257.96

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Solution

The fourth proportional to 12,183.46, 18,282.48 and 5,257.96 is: 7,890.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183.46 : 18,282.48 = 5,257.96 : x
  2. Step 2: Convert to fraction form
    12,183.46/18,282.48 = 5,257.96/x
  3. Step 3: Cross multiply
    12,183.46x = 18,282.48 × 5,257.96
  4. Step 4: Simplify right side
    12,183.46x = 96,128,548.54
  5. Step 5: Solve for x
    x = 96,128,548.54/12,183.46
  6. Step 6: Final answer
    x = 7,890.09

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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.