Home / 11,801.45-17,699.33-3,479.22

Finding the Fourth Proportional to 11,801.45, 17,699.33 and 3,479.22

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Solution

The fourth proportional to 11,801.45, 17,699.33 and 3,479.22 is: 5,217.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,801.45 : 17,699.33 = 3,479.22 : x
  2. Step 2: Convert to fraction form
    11,801.45/17,699.33 = 3,479.22/x
  3. Step 3: Cross multiply
    11,801.45x = 17,699.33 × 3,479.22
  4. Step 4: Simplify right side
    11,801.45x = 61,579,845.53
  5. Step 5: Solve for x
    x = 61,579,845.53/11,801.45
  6. Step 6: Final answer
    x = 5,217.99

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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.