Home / 19,747.78-27,252-11,789.83

Finding the Fourth Proportional to 19,747.78, 27,252 and 11,789.83

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Solution

The fourth proportional to 19,747.78, 27,252 and 11,789.83 is: 16,270.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,747.78 : 27,252 = 11,789.83 : x
  2. Step 2: Convert to fraction form
    19,747.78/27,252 = 11,789.83/x
  3. Step 3: Cross multiply
    19,747.78x = 27,252 × 11,789.83
  4. Step 4: Simplify right side
    19,747.78x = 321,296,447.16
  5. Step 5: Solve for x
    x = 321,296,447.16/19,747.78
  6. Step 6: Final answer
    x = 16,270.00

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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.