Home / 18,433.88-27,651.66-5,288.12

Finding the Fourth Proportional to 18,433.88, 27,651.66 and 5,288.12

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Solution

The fourth proportional to 18,433.88, 27,651.66 and 5,288.12 is: 7,932.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,433.88 : 27,651.66 = 5,288.12 : x
  2. Step 2: Convert to fraction form
    18,433.88/27,651.66 = 5,288.12/x
  3. Step 3: Cross multiply
    18,433.88x = 27,651.66 × 5,288.12
  4. Step 4: Simplify right side
    18,433.88x = 146,225,296.28
  5. Step 5: Solve for x
    x = 146,225,296.28/18,433.88
  6. Step 6: Final answer
    x = 7,932.42

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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.