Home / 11,479.04-17,218.44-3,687.86

Finding the Fourth Proportional to 11,479.04, 17,218.44 and 3,687.86

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Solution

The fourth proportional to 11,479.04, 17,218.44 and 3,687.86 is: 5,531.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479.04 : 17,218.44 = 3,687.86 : x
  2. Step 2: Convert to fraction form
    11,479.04/17,218.44 = 3,687.86/x
  3. Step 3: Cross multiply
    11,479.04x = 17,218.44 × 3,687.86
  4. Step 4: Simplify right side
    11,479.04x = 63,499,196.14
  5. Step 5: Solve for x
    x = 63,499,196.14/11,479.04
  6. Step 6: Final answer
    x = 5,531.75

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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.