Home / 10,816.92-16,213.68-5,257.89

Finding the Fourth Proportional to 10,816.92, 16,213.68 and 5,257.89

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Solution

The fourth proportional to 10,816.92, 16,213.68 and 5,257.89 is: 7,881.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,816.92 : 16,213.68 = 5,257.89 : x
  2. Step 2: Convert to fraction form
    10,816.92/16,213.68 = 5,257.89/x
  3. Step 3: Cross multiply
    10,816.92x = 16,213.68 × 5,257.89
  4. Step 4: Simplify right side
    10,816.92x = 85,249,745.94
  5. Step 5: Solve for x
    x = 85,249,745.94/10,816.92
  6. Step 6: Final answer
    x = 7,881.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.