Home / 17,789.60-26,676.30-7,923.80

Finding the Fourth Proportional to 17,789.60, 26,676.30 and 7,923.80

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Solution

The fourth proportional to 17,789.60, 26,676.30 and 7,923.80 is: 11,882.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,789.60 : 26,676.30 = 7,923.80 : x
  2. Step 2: Convert to fraction form
    17,789.60/26,676.30 = 7,923.80/x
  3. Step 3: Cross multiply
    17,789.60x = 26,676.30 × 7,923.80
  4. Step 4: Simplify right side
    17,789.60x = 211,377,665.94
  5. Step 5: Solve for x
    x = 211,377,665.94/17,789.60
  6. Step 6: Final answer
    x = 11,882.09

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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.