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Finding the Fourth Proportional to 11,883.40, 17,825.10 and 11,429.80

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Solution

The fourth proportional to 11,883.40, 17,825.10 and 11,429.80 is: 17,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,883.40 : 17,825.10 = 11,429.80 : x
  2. Step 2: Convert to fraction form
    11,883.40/17,825.10 = 11,429.80/x
  3. Step 3: Cross multiply
    11,883.40x = 17,825.10 × 11,429.80
  4. Step 4: Simplify right side
    11,883.40x = 203,737,327.98
  5. Step 5: Solve for x
    x = 203,737,327.98/11,883.40
  6. Step 6: Final answer
    x = 17,144.70

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