Home / 18,621.44-27,932.04-8,090.09

Finding the Fourth Proportional to 18,621.44, 27,932.04 and 8,090.09

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Solution

The fourth proportional to 18,621.44, 27,932.04 and 8,090.09 is: 12,135.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,621.44 : 27,932.04 = 8,090.09 : x
  2. Step 2: Convert to fraction form
    18,621.44/27,932.04 = 8,090.09/x
  3. Step 3: Cross multiply
    18,621.44x = 27,932.04 × 8,090.09
  4. Step 4: Simplify right side
    18,621.44x = 225,972,577.82
  5. Step 5: Solve for x
    x = 225,972,577.82/18,621.44
  6. Step 6: Final answer
    x = 12,135.08

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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.