Home / 11,022.89-15,216.26-7,043.09

Finding the Fourth Proportional to 11,022.89, 15,216.26 and 7,043.09

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Solution

The fourth proportional to 11,022.89, 15,216.26 and 7,043.09 is: 9,722.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022.89 : 15,216.26 = 7,043.09 : x
  2. Step 2: Convert to fraction form
    11,022.89/15,216.26 = 7,043.09/x
  3. Step 3: Cross multiply
    11,022.89x = 15,216.26 × 7,043.09
  4. Step 4: Simplify right side
    11,022.89x = 107,169,377.35
  5. Step 5: Solve for x
    x = 107,169,377.35/11,022.89
  6. Step 6: Final answer
    x = 9,722.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.