Home / 11,969.29-16,517.17-6,663.99

Finding the Fourth Proportional to 11,969.29, 16,517.17 and 6,663.99

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Solution

The fourth proportional to 11,969.29, 16,517.17 and 6,663.99 is: 9,196.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,969.29 : 16,517.17 = 6,663.99 : x
  2. Step 2: Convert to fraction form
    11,969.29/16,517.17 = 6,663.99/x
  3. Step 3: Cross multiply
    11,969.29x = 16,517.17 × 6,663.99
  4. Step 4: Simplify right side
    11,969.29x = 110,070,239.05
  5. Step 5: Solve for x
    x = 110,070,239.05/11,969.29
  6. Step 6: Final answer
    x = 9,196.06

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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.