Home / 10,120.92-13,966.26-5,644.44

Finding the Fourth Proportional to 10,120.92, 13,966.26 and 5,644.44

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Solution

The fourth proportional to 10,120.92, 13,966.26 and 5,644.44 is: 7,788.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120.92 : 13,966.26 = 5,644.44 : x
  2. Step 2: Convert to fraction form
    10,120.92/13,966.26 = 5,644.44/x
  3. Step 3: Cross multiply
    10,120.92x = 13,966.26 × 5,644.44
  4. Step 4: Simplify right side
    10,120.92x = 78,831,716.59
  5. Step 5: Solve for x
    x = 78,831,716.59/10,120.92
  6. Step 6: Final answer
    x = 7,788.99

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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.