Home / 19,700.82-27,183.41-11,743.79

Finding the Fourth Proportional to 19,700.82, 27,183.41 and 11,743.79

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Solution

The fourth proportional to 19,700.82, 27,183.41 and 11,743.79 is: 16,204.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,700.82 : 27,183.41 = 11,743.79 : x
  2. Step 2: Convert to fraction form
    19,700.82/27,183.41 = 11,743.79/x
  3. Step 3: Cross multiply
    19,700.82x = 27,183.41 × 11,743.79
  4. Step 4: Simplify right side
    19,700.82x = 319,236,107.93
  5. Step 5: Solve for x
    x = 319,236,107.93/19,700.82
  6. Step 6: Final answer
    x = 16,204.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.