Home / 11,505.11-17,255.09-4,485.31

Finding the Fourth Proportional to 11,505.11, 17,255.09 and 4,485.31

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Solution

The fourth proportional to 11,505.11, 17,255.09 and 4,485.31 is: 6,726.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,505.11 : 17,255.09 = 4,485.31 : x
  2. Step 2: Convert to fraction form
    11,505.11/17,255.09 = 4,485.31/x
  3. Step 3: Cross multiply
    11,505.11x = 17,255.09 × 4,485.31
  4. Step 4: Simplify right side
    11,505.11x = 77,394,395.80
  5. Step 5: Solve for x
    x = 77,394,395.80/11,505.11
  6. Step 6: Final answer
    x = 6,726.96

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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.