Home / 11,969.73-16,517.79-6,665.04

Finding the Fourth Proportional to 11,969.73, 16,517.79 and 6,665.04

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Solution

The fourth proportional to 11,969.73, 16,517.79 and 6,665.04 is: 9,197.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,969.73 : 16,517.79 = 6,665.04 : x
  2. Step 2: Convert to fraction form
    11,969.73/16,517.79 = 6,665.04/x
  3. Step 3: Cross multiply
    11,969.73x = 16,517.79 × 6,665.04
  4. Step 4: Simplify right side
    11,969.73x = 110,091,731.06
  5. Step 5: Solve for x
    x = 110,091,731.06/11,969.73
  6. Step 6: Final answer
    x = 9,197.51

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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.