Home / 11,677.71-16,115.64-6,372.82

Finding the Fourth Proportional to 11,677.71, 16,115.64 and 6,372.82

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Solution

The fourth proportional to 11,677.71, 16,115.64 and 6,372.82 is: 8,794.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,677.71 : 16,115.64 = 6,372.82 : x
  2. Step 2: Convert to fraction form
    11,677.71/16,115.64 = 6,372.82/x
  3. Step 3: Cross multiply
    11,677.71x = 16,115.64 × 6,372.82
  4. Step 4: Simplify right side
    11,677.71x = 102,702,069.15
  5. Step 5: Solve for x
    x = 102,702,069.15/11,677.71
  6. Step 6: Final answer
    x = 8,794.71

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1.5x scale

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.