Home / 18,485.82-27,732.38-5,338.31

Finding the Fourth Proportional to 18,485.82, 27,732.38 and 5,338.31

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Solution

The fourth proportional to 18,485.82, 27,732.38 and 5,338.31 is: 8,008.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,485.82 : 27,732.38 = 5,338.31 : x
  2. Step 2: Convert to fraction form
    18,485.82/27,732.38 = 5,338.31/x
  3. Step 3: Cross multiply
    18,485.82x = 27,732.38 × 5,338.31
  4. Step 4: Simplify right side
    18,485.82x = 148,043,876.12
  5. Step 5: Solve for x
    x = 148,043,876.12/18,485.82
  6. Step 6: Final answer
    x = 8,008.51

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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.