Home / 11,517.16-15,893.94-6,799.72

Finding the Fourth Proportional to 11,517.16, 15,893.94 and 6,799.72

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Solution

The fourth proportional to 11,517.16, 15,893.94 and 6,799.72 is: 9,383.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,517.16 : 15,893.94 = 6,799.72 : x
  2. Step 2: Convert to fraction form
    11,517.16/15,893.94 = 6,799.72/x
  3. Step 3: Cross multiply
    11,517.16x = 15,893.94 × 6,799.72
  4. Step 4: Simplify right side
    11,517.16x = 108,074,341.70
  5. Step 5: Solve for x
    x = 108,074,341.70/11,517.16
  6. Step 6: Final answer
    x = 9,383.77

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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.