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Finding the Fourth Proportional to 11,976.99, 17,969.04 and 6,137.70

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Solution

The fourth proportional to 11,976.99, 17,969.04 and 6,137.70 is: 9,208.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,976.99 : 17,969.04 = 6,137.70 : x
  2. Step 2: Convert to fraction form
    11,976.99/17,969.04 = 6,137.70/x
  3. Step 3: Cross multiply
    11,976.99x = 17,969.04 × 6,137.70
  4. Step 4: Simplify right side
    11,976.99x = 110,288,576.81
  5. Step 5: Solve for x
    x = 110,288,576.81/11,976.99
  6. Step 6: Final answer
    x = 9,208.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.