Home / 10,575.12-15,863.41-4,249.99

Finding the Fourth Proportional to 10,575.12, 15,863.41 and 4,249.99

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Solution

The fourth proportional to 10,575.12, 15,863.41 and 4,249.99 is: 6,375.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,575.12 : 15,863.41 = 4,249.99 : x
  2. Step 2: Convert to fraction form
    10,575.12/15,863.41 = 4,249.99/x
  3. Step 3: Cross multiply
    10,575.12x = 15,863.41 × 4,249.99
  4. Step 4: Simplify right side
    10,575.12x = 67,419,333.87
  5. Step 5: Solve for x
    x = 67,419,333.87/10,575.12
  6. Step 6: Final answer
    x = 6,375.28

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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.