Home / 11,719.08-17,578.53-3,927.84

Finding the Fourth Proportional to 11,719.08, 17,578.53 and 3,927.84

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Solution

The fourth proportional to 11,719.08, 17,578.53 and 3,927.84 is: 5,891.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,719.08 : 17,578.53 = 3,927.84 : x
  2. Step 2: Convert to fraction form
    11,719.08/17,578.53 = 3,927.84/x
  3. Step 3: Cross multiply
    11,719.08x = 17,578.53 × 3,927.84
  4. Step 4: Simplify right side
    11,719.08x = 69,045,653.28
  5. Step 5: Solve for x
    x = 69,045,653.28/11,719.08
  6. Step 6: Final answer
    x = 5,891.73

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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.