Home / 10,245.64-15,351.48-3,578.56

Finding the Fourth Proportional to 10,245.64, 15,351.48 and 3,578.56

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Solution

The fourth proportional to 10,245.64, 15,351.48 and 3,578.56 is: 5,361.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,245.64 : 15,351.48 = 3,578.56 : x
  2. Step 2: Convert to fraction form
    10,245.64/15,351.48 = 3,578.56/x
  3. Step 3: Cross multiply
    10,245.64x = 15,351.48 × 3,578.56
  4. Step 4: Simplify right side
    10,245.64x = 54,936,140.47
  5. Step 5: Solve for x
    x = 54,936,140.47/10,245.64
  6. Step 6: Final answer
    x = 5,361.90

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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.