Home / 11,254.25-16,878.42-3,354.65

Finding the Fourth Proportional to 11,254.25, 16,878.42 and 3,354.65

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Solution

The fourth proportional to 11,254.25, 16,878.42 and 3,354.65 is: 5,031.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,254.25 : 16,878.42 = 3,354.65 : x
  2. Step 2: Convert to fraction form
    11,254.25/16,878.42 = 3,354.65/x
  3. Step 3: Cross multiply
    11,254.25x = 16,878.42 × 3,354.65
  4. Step 4: Simplify right side
    11,254.25x = 56,621,107.26
  5. Step 5: Solve for x
    x = 56,621,107.26/11,254.25
  6. Step 6: Final answer
    x = 5,031.09

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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.