Home / 11,766.62-16,237.85-6,461.33

Finding the Fourth Proportional to 11,766.62, 16,237.85 and 6,461.33

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Solution

The fourth proportional to 11,766.62, 16,237.85 and 6,461.33 is: 8,916.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,766.62 : 16,237.85 = 6,461.33 : x
  2. Step 2: Convert to fraction form
    11,766.62/16,237.85 = 6,461.33/x
  3. Step 3: Cross multiply
    11,766.62x = 16,237.85 × 6,461.33
  4. Step 4: Simplify right side
    11,766.62x = 104,917,993.84
  5. Step 5: Solve for x
    x = 104,917,993.84/11,766.62
  6. Step 6: Final answer
    x = 8,916.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.