Home / 11,901.36-17,855.02-4,505.80

Finding the Fourth Proportional to 11,901.36, 17,855.02 and 4,505.80

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Solution

The fourth proportional to 11,901.36, 17,855.02 and 4,505.80 is: 6,759.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,901.36 : 17,855.02 = 4,505.80 : x
  2. Step 2: Convert to fraction form
    11,901.36/17,855.02 = 4,505.80/x
  3. Step 3: Cross multiply
    11,901.36x = 17,855.02 × 4,505.80
  4. Step 4: Simplify right side
    11,901.36x = 80,451,149.12
  5. Step 5: Solve for x
    x = 80,451,149.12/11,901.36
  6. Step 6: Final answer
    x = 6,759.83

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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.