Home / 10,943.33-16,414.83-7,424.60

Finding the Fourth Proportional to 10,943.33, 16,414.83 and 7,424.60

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Solution

The fourth proportional to 10,943.33, 16,414.83 and 7,424.60 is: 11,136.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,943.33 : 16,414.83 = 7,424.60 : x
  2. Step 2: Convert to fraction form
    10,943.33/16,414.83 = 7,424.60/x
  3. Step 3: Cross multiply
    10,943.33x = 16,414.83 × 7,424.60
  4. Step 4: Simplify right side
    10,943.33x = 121,873,464.74
  5. Step 5: Solve for x
    x = 121,873,464.74/10,943.33
  6. Step 6: Final answer
    x = 11,136.79

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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.