Home / 11,379.99-17,059.17-3,979.62

Finding the Fourth Proportional to 11,379.99, 17,059.17 and 3,979.62

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Solution

The fourth proportional to 11,379.99, 17,059.17 and 3,979.62 is: 5,965.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,379.99 : 17,059.17 = 3,979.62 : x
  2. Step 2: Convert to fraction form
    11,379.99/17,059.17 = 3,979.62/x
  3. Step 3: Cross multiply
    11,379.99x = 17,059.17 × 3,979.62
  4. Step 4: Simplify right side
    11,379.99x = 67,889,014.12
  5. Step 5: Solve for x
    x = 67,889,014.12/11,379.99
  6. Step 6: Final answer
    x = 5,965.65

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1.5x scale

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.