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Finding the Fourth Proportional to 11,479.22, 17,224.04 and 6,808.46

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Solution

The fourth proportional to 11,479.22, 17,224.04 and 6,808.46 is: 10,215.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479.22 : 17,224.04 = 6,808.46 : x
  2. Step 2: Convert to fraction form
    11,479.22/17,224.04 = 6,808.46/x
  3. Step 3: Cross multiply
    11,479.22x = 17,224.04 × 6,808.46
  4. Step 4: Simplify right side
    11,479.22x = 117,269,118.28
  5. Step 5: Solve for x
    x = 117,269,118.28/11,479.22
  6. Step 6: Final answer
    x = 10,215.78

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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.