Home / 11,969.14-16,517.04-6,663.69

Finding the Fourth Proportional to 11,969.14, 16,517.04 and 6,663.69

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Solution

The fourth proportional to 11,969.14, 16,517.04 and 6,663.69 is: 9,195.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,969.14 : 16,517.04 = 6,663.69 : x
  2. Step 2: Convert to fraction form
    11,969.14/16,517.04 = 6,663.69/x
  3. Step 3: Cross multiply
    11,969.14x = 16,517.04 × 6,663.69
  4. Step 4: Simplify right side
    11,969.14x = 110,064,434.28
  5. Step 5: Solve for x
    x = 110,064,434.28/11,969.14
  6. Step 6: Final answer
    x = 9,195.68

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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.