Home / 11,312.82-16,963.04-3,916.66

Finding the Fourth Proportional to 11,312.82, 16,963.04 and 3,916.66

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Solution

The fourth proportional to 11,312.82, 16,963.04 and 3,916.66 is: 5,872.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,312.82 : 16,963.04 = 3,916.66 : x
  2. Step 2: Convert to fraction form
    11,312.82/16,963.04 = 3,916.66/x
  3. Step 3: Cross multiply
    11,312.82x = 16,963.04 × 3,916.66
  4. Step 4: Simplify right side
    11,312.82x = 66,438,460.25
  5. Step 5: Solve for x
    x = 66,438,460.25/11,312.82
  6. Step 6: Final answer
    x = 5,872.85

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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.