Home / 13,183.62-18,193.86-8,882.52

Finding the Fourth Proportional to 13,183.62, 18,193.86 and 8,882.52

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Solution

The fourth proportional to 13,183.62, 18,193.86 and 8,882.52 is: 12,258.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183.62 : 18,193.86 = 8,882.52 : x
  2. Step 2: Convert to fraction form
    13,183.62/18,193.86 = 8,882.52/x
  3. Step 3: Cross multiply
    13,183.62x = 18,193.86 × 8,882.52
  4. Step 4: Simplify right side
    13,183.62x = 161,607,325.33
  5. Step 5: Solve for x
    x = 161,607,325.33/13,183.62
  6. Step 6: Final answer
    x = 12,258.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.