Home / 10,918.73-16,372.94-4,993.89

Finding the Fourth Proportional to 10,918.73, 16,372.94 and 4,993.89

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Solution

The fourth proportional to 10,918.73, 16,372.94 and 4,993.89 is: 7,488.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,918.73 : 16,372.94 = 4,993.89 : x
  2. Step 2: Convert to fraction form
    10,918.73/16,372.94 = 4,993.89/x
  3. Step 3: Cross multiply
    10,918.73x = 16,372.94 × 4,993.89
  4. Step 4: Simplify right side
    10,918.73x = 81,764,574.97
  5. Step 5: Solve for x
    x = 81,764,574.97/10,918.73
  6. Step 6: Final answer
    x = 7,488.47

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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.