Home / 11,939.54-17,893.80-4,911.56

Finding the Fourth Proportional to 11,939.54, 17,893.80 and 4,911.56

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Solution

The fourth proportional to 11,939.54, 17,893.80 and 4,911.56 is: 7,360.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939.54 : 17,893.80 = 4,911.56 : x
  2. Step 2: Convert to fraction form
    11,939.54/17,893.80 = 4,911.56/x
  3. Step 3: Cross multiply
    11,939.54x = 17,893.80 × 4,911.56
  4. Step 4: Simplify right side
    11,939.54x = 87,886,493.38
  5. Step 5: Solve for x
    x = 87,886,493.38/11,939.54
  6. Step 6: Final answer
    x = 7,360.96

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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.