Home / 20,183.19-27,852.03-11,230.41

Finding the Fourth Proportional to 20,183.19, 27,852.03 and 11,230.41

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Solution

The fourth proportional to 20,183.19, 27,852.03 and 11,230.41 is: 15,497.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,183.19 : 27,852.03 = 11,230.41 : x
  2. Step 2: Convert to fraction form
    20,183.19/27,852.03 = 11,230.41/x
  3. Step 3: Cross multiply
    20,183.19x = 27,852.03 × 11,230.41
  4. Step 4: Simplify right side
    20,183.19x = 312,789,716.23
  5. Step 5: Solve for x
    x = 312,789,716.23/20,183.19
  6. Step 6: Final answer
    x = 15,497.54

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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.