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Finding the Fourth Proportional to 10,068.50, 13,893.89 and 5,591.99

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Solution

The fourth proportional to 10,068.50, 13,893.89 and 5,591.99 is: 7,716.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,068.50 : 13,893.89 = 5,591.99 : x
  2. Step 2: Convert to fraction form
    10,068.50/13,893.89 = 5,591.99/x
  3. Step 3: Cross multiply
    10,068.50x = 13,893.89 × 5,591.99
  4. Step 4: Simplify right side
    10,068.50x = 77,694,396.51
  5. Step 5: Solve for x
    x = 77,694,396.51/10,068.50
  6. Step 6: Final answer
    x = 7,716.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.