Home / 11,135.78-16,699.83-3,738.47

Finding the Fourth Proportional to 11,135.78, 16,699.83 and 3,738.47

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Solution

The fourth proportional to 11,135.78, 16,699.83 and 3,738.47 is: 5,606.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.78 : 16,699.83 = 3,738.47 : x
  2. Step 2: Convert to fraction form
    11,135.78/16,699.83 = 3,738.47/x
  3. Step 3: Cross multiply
    11,135.78x = 16,699.83 × 3,738.47
  4. Step 4: Simplify right side
    11,135.78x = 62,431,813.46
  5. Step 5: Solve for x
    x = 62,431,813.46/11,135.78
  6. Step 6: Final answer
    x = 5,606.42

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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.