Home / 11,078.90-16,614.77-3,681.38

Finding the Fourth Proportional to 11,078.90, 16,614.77 and 3,681.38

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Solution

The fourth proportional to 11,078.90, 16,614.77 and 3,681.38 is: 5,520.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078.90 : 16,614.77 = 3,681.38 : x
  2. Step 2: Convert to fraction form
    11,078.90/16,614.77 = 3,681.38/x
  3. Step 3: Cross multiply
    11,078.90x = 16,614.77 × 3,681.38
  4. Step 4: Simplify right side
    11,078.90x = 61,165,180.50
  5. Step 5: Solve for x
    x = 61,165,180.50/11,078.90
  6. Step 6: Final answer
    x = 5,520.87

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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.