Home / 11,589.75-17,385.30-3,270.47

Finding the Fourth Proportional to 11,589.75, 17,385.30 and 3,270.47

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Solution

The fourth proportional to 11,589.75, 17,385.30 and 3,270.47 is: 4,905.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,589.75 : 17,385.30 = 3,270.47 : x
  2. Step 2: Convert to fraction form
    11,589.75/17,385.30 = 3,270.47/x
  3. Step 3: Cross multiply
    11,589.75x = 17,385.30 × 3,270.47
  4. Step 4: Simplify right side
    11,589.75x = 56,858,015.16
  5. Step 5: Solve for x
    x = 56,858,015.16/11,589.75
  6. Step 6: Final answer
    x = 4,905.89

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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.