Home / 10,190.98-15,286.57-2,795.44

Finding the Fourth Proportional to 10,190.98, 15,286.57 and 2,795.44

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Solution

The fourth proportional to 10,190.98, 15,286.57 and 2,795.44 is: 4,193.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,190.98 : 15,286.57 = 2,795.44 : x
  2. Step 2: Convert to fraction form
    10,190.98/15,286.57 = 2,795.44/x
  3. Step 3: Cross multiply
    10,190.98x = 15,286.57 × 2,795.44
  4. Step 4: Simplify right side
    10,190.98x = 42,732,675.26
  5. Step 5: Solve for x
    x = 42,732,675.26/10,190.98
  6. Step 6: Final answer
    x = 4,193.19

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Why These Related Problems?

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