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Finding the Fourth Proportional to 10,908.24, 15,063 and 8,108.88

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Solution

The fourth proportional to 10,908.24, 15,063 and 8,108.88 is: 11,197.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,908.24 : 15,063 = 8,108.88 : x
  2. Step 2: Convert to fraction form
    10,908.24/15,063 = 8,108.88/x
  3. Step 3: Cross multiply
    10,908.24x = 15,063 × 8,108.88
  4. Step 4: Simplify right side
    10,908.24x = 122,144,059.44
  5. Step 5: Solve for x
    x = 122,144,059.44/10,908.24
  6. Step 6: Final answer
    x = 11,197.41

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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.