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Finding the Fourth Proportional to 11,329, 15,634.98 and 6,361.96

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Solution

The fourth proportional to 11,329, 15,634.98 and 6,361.96 is: 8,780.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329 : 15,634.98 = 6,361.96 : x
  2. Step 2: Convert to fraction form
    11,329/15,634.98 = 6,361.96/x
  3. Step 3: Cross multiply
    11,329x = 15,634.98 × 6,361.96
  4. Step 4: Simplify right side
    11,329x = 99,469,117.36
  5. Step 5: Solve for x
    x = 99,469,117.36/11,329
  6. Step 6: Final answer
    x = 8,780.04

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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.