Home / 11,185.70-16,777.46-3,789.77

Finding the Fourth Proportional to 11,185.70, 16,777.46 and 3,789.77

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Solution

The fourth proportional to 11,185.70, 16,777.46 and 3,789.77 is: 5,684.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.70 : 16,777.46 = 3,789.77 : x
  2. Step 2: Convert to fraction form
    11,185.70/16,777.46 = 3,789.77/x
  3. Step 3: Cross multiply
    11,185.70x = 16,777.46 × 3,789.77
  4. Step 4: Simplify right side
    11,185.70x = 63,582,640.17
  5. Step 5: Solve for x
    x = 63,582,640.17/11,185.70
  6. Step 6: Final answer
    x = 5,684.28

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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.