Home / 11,288.08-16,933.23-3,891.57

Finding the Fourth Proportional to 11,288.08, 16,933.23 and 3,891.57

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Solution

The fourth proportional to 11,288.08, 16,933.23 and 3,891.57 is: 5,837.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,288.08 : 16,933.23 = 3,891.57 : x
  2. Step 2: Convert to fraction form
    11,288.08/16,933.23 = 3,891.57/x
  3. Step 3: Cross multiply
    11,288.08x = 16,933.23 × 3,891.57
  4. Step 4: Simplify right side
    11,288.08x = 65,896,849.87
  5. Step 5: Solve for x
    x = 65,896,849.87/11,288.08
  6. Step 6: Final answer
    x = 5,837.74

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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.