Home / 10,918.24-16,377.44-4,993.90

Finding the Fourth Proportional to 10,918.24, 16,377.44 and 4,993.90

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Solution

The fourth proportional to 10,918.24, 16,377.44 and 4,993.90 is: 7,490.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,918.24 : 16,377.44 = 4,993.90 : x
  2. Step 2: Convert to fraction form
    10,918.24/16,377.44 = 4,993.90/x
  3. Step 3: Cross multiply
    10,918.24x = 16,377.44 × 4,993.90
  4. Step 4: Simplify right side
    10,918.24x = 81,787,297.62
  5. Step 5: Solve for x
    x = 81,787,297.62/10,918.24
  6. Step 6: Final answer
    x = 7,490.89

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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.