Home / 20,150.60-27,804.82-11,198.16

Finding the Fourth Proportional to 20,150.60, 27,804.82 and 11,198.16

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Solution

The fourth proportional to 20,150.60, 27,804.82 and 11,198.16 is: 15,451.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,150.60 : 27,804.82 = 11,198.16 : x
  2. Step 2: Convert to fraction form
    20,150.60/27,804.82 = 11,198.16/x
  3. Step 3: Cross multiply
    20,150.60x = 27,804.82 × 11,198.16
  4. Step 4: Simplify right side
    20,150.60x = 311,362,823.13
  5. Step 5: Solve for x
    x = 311,362,823.13/20,150.60
  6. Step 6: Final answer
    x = 15,451.79

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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.