Home / 11,167.15-16,751.19-3,772.36

Finding the Fourth Proportional to 11,167.15, 16,751.19 and 3,772.36

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Solution

The fourth proportional to 11,167.15, 16,751.19 and 3,772.36 is: 5,658.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,167.15 : 16,751.19 = 3,772.36 : x
  2. Step 2: Convert to fraction form
    11,167.15/16,751.19 = 3,772.36/x
  3. Step 3: Cross multiply
    11,167.15x = 16,751.19 × 3,772.36
  4. Step 4: Simplify right side
    11,167.15x = 63,191,519.11
  5. Step 5: Solve for x
    x = 63,191,519.11/11,167.15
  6. Step 6: Final answer
    x = 5,658.70

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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.