Home / 11,916.23-17,867.50-4,515.97

Finding the Fourth Proportional to 11,916.23, 17,867.50 and 4,515.97

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Solution

The fourth proportional to 11,916.23, 17,867.50 and 4,515.97 is: 6,771.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916.23 : 17,867.50 = 4,515.97 : x
  2. Step 2: Convert to fraction form
    11,916.23/17,867.50 = 4,515.97/x
  3. Step 3: Cross multiply
    11,916.23x = 17,867.50 × 4,515.97
  4. Step 4: Simplify right side
    11,916.23x = 80,689,093.98
  5. Step 5: Solve for x
    x = 80,689,093.98/11,916.23
  6. Step 6: Final answer
    x = 6,771.36

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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.