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Finding the Fourth Proportional to 11,579.22, 17,392.08 and 6,908.34

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Solution

The fourth proportional to 11,579.22, 17,392.08 and 6,908.34 is: 10,376.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,579.22 : 17,392.08 = 6,908.34 : x
  2. Step 2: Convert to fraction form
    11,579.22/17,392.08 = 6,908.34/x
  3. Step 3: Cross multiply
    11,579.22x = 17,392.08 × 6,908.34
  4. Step 4: Simplify right side
    11,579.22x = 120,150,401.95
  5. Step 5: Solve for x
    x = 120,150,401.95/11,579.22
  6. Step 6: Final answer
    x = 10,376.38

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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.