Home / 11,911.06-17,866.23-4,516.66

Finding the Fourth Proportional to 11,911.06, 17,866.23 and 4,516.66

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Solution

The fourth proportional to 11,911.06, 17,866.23 and 4,516.66 is: 6,774.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,911.06 : 17,866.23 = 4,516.66 : x
  2. Step 2: Convert to fraction form
    11,911.06/17,866.23 = 4,516.66/x
  3. Step 3: Cross multiply
    11,911.06x = 17,866.23 × 4,516.66
  4. Step 4: Simplify right side
    11,911.06x = 80,695,686.39
  5. Step 5: Solve for x
    x = 80,695,686.39/11,911.06
  6. Step 6: Final answer
    x = 6,774.85

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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.