Home / 18,382.06-27,557.52-8,383.23

Finding the Fourth Proportional to 18,382.06, 27,557.52 and 8,383.23

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Solution

The fourth proportional to 18,382.06, 27,557.52 and 8,383.23 is: 12,567.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,382.06 : 27,557.52 = 8,383.23 : x
  2. Step 2: Convert to fraction form
    18,382.06/27,557.52 = 8,383.23/x
  3. Step 3: Cross multiply
    18,382.06x = 27,557.52 × 8,383.23
  4. Step 4: Simplify right side
    18,382.06x = 231,021,028.39
  5. Step 5: Solve for x
    x = 231,021,028.39/18,382.06
  6. Step 6: Final answer
    x = 12,567.75

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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.