Home / 11,284.87-16,927.29-3,387.38

Finding the Fourth Proportional to 11,284.87, 16,927.29 and 3,387.38

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Solution

The fourth proportional to 11,284.87, 16,927.29 and 3,387.38 is: 5,081.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,284.87 : 16,927.29 = 3,387.38 : x
  2. Step 2: Convert to fraction form
    11,284.87/16,927.29 = 3,387.38/x
  3. Step 3: Cross multiply
    11,284.87x = 16,927.29 × 3,387.38
  4. Step 4: Simplify right side
    11,284.87x = 57,339,112.81
  5. Step 5: Solve for x
    x = 57,339,112.81/11,284.87
  6. Step 6: Final answer
    x = 5,081.06

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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.