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Finding the Fourth Proportional to 11,855.54, 17,793.50 and 4,839.41

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Solution

The fourth proportional to 11,855.54, 17,793.50 and 4,839.41 is: 7,263.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,855.54 : 17,793.50 = 4,839.41 : x
  2. Step 2: Convert to fraction form
    11,855.54/17,793.50 = 4,839.41/x
  3. Step 3: Cross multiply
    11,855.54x = 17,793.50 × 4,839.41
  4. Step 4: Simplify right side
    11,855.54x = 86,109,928.67
  5. Step 5: Solve for x
    x = 86,109,928.67/11,855.54
  6. Step 6: Final answer
    x = 7,263.27

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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.