Home / 11,916.73-16,447.48-6,881.77

Finding the Fourth Proportional to 11,916.73, 16,447.48 and 6,881.77

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Solution

The fourth proportional to 11,916.73, 16,447.48 and 6,881.77 is: 9,498.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916.73 : 16,447.48 = 6,881.77 : x
  2. Step 2: Convert to fraction form
    11,916.73/16,447.48 = 6,881.77/x
  3. Step 3: Cross multiply
    11,916.73x = 16,447.48 × 6,881.77
  4. Step 4: Simplify right side
    11,916.73x = 113,187,716.12
  5. Step 5: Solve for x
    x = 113,187,716.12/11,916.73
  6. Step 6: Final answer
    x = 9,498.22

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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.