Home / 11,899.30-17,849.83-3,578.64

Finding the Fourth Proportional to 11,899.30, 17,849.83 and 3,578.64

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Solution

The fourth proportional to 11,899.30, 17,849.83 and 3,578.64 is: 5,368.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,899.30 : 17,849.83 = 3,578.64 : x
  2. Step 2: Convert to fraction form
    11,899.30/17,849.83 = 3,578.64/x
  3. Step 3: Cross multiply
    11,899.30x = 17,849.83 × 3,578.64
  4. Step 4: Simplify right side
    11,899.30x = 63,878,115.63
  5. Step 5: Solve for x
    x = 63,878,115.63/11,899.30
  6. Step 6: Final answer
    x = 5,368.22

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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.