Home / 20,183.82-27,852.78-11,230.62

Finding the Fourth Proportional to 20,183.82, 27,852.78 and 11,230.62

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Solution

The fourth proportional to 20,183.82, 27,852.78 and 11,230.62 is: 15,497.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,183.82 : 27,852.78 = 11,230.62 : x
  2. Step 2: Convert to fraction form
    20,183.82/27,852.78 = 11,230.62/x
  3. Step 3: Cross multiply
    20,183.82x = 27,852.78 × 11,230.62
  4. Step 4: Simplify right side
    20,183.82x = 312,803,988.12
  5. Step 5: Solve for x
    x = 312,803,988.12/20,183.82
  6. Step 6: Final answer
    x = 15,497.76

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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.