Home / 18,268.11-27,400.39-12,382.82

Finding the Fourth Proportional to 18,268.11, 27,400.39 and 12,382.82

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Solution

The fourth proportional to 18,268.11, 27,400.39 and 12,382.82 is: 18,573.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,268.11 : 27,400.39 = 12,382.82 : x
  2. Step 2: Convert to fraction form
    18,268.11/27,400.39 = 12,382.82/x
  3. Step 3: Cross multiply
    18,268.11x = 27,400.39 × 12,382.82
  4. Step 4: Simplify right side
    18,268.11x = 339,294,097.30
  5. Step 5: Solve for x
    x = 339,294,097.30/18,268.11
  6. Step 6: Final answer
    x = 18,573.03

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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.