Home / 11,861.96-16,369.42-6,556.68

Finding the Fourth Proportional to 11,861.96, 16,369.42 and 6,556.68

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Solution

The fourth proportional to 11,861.96, 16,369.42 and 6,556.68 is: 9,048.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,861.96 : 16,369.42 = 6,556.68 : x
  2. Step 2: Convert to fraction form
    11,861.96/16,369.42 = 6,556.68/x
  3. Step 3: Cross multiply
    11,861.96x = 16,369.42 × 6,556.68
  4. Step 4: Simplify right side
    11,861.96x = 107,329,048.73
  5. Step 5: Solve for x
    x = 107,329,048.73/11,861.96
  6. Step 6: Final answer
    x = 9,048.17

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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.