Home / 10,249.90-15,375.26-2,855.01

Finding the Fourth Proportional to 10,249.90, 15,375.26 and 2,855.01

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Solution

The fourth proportional to 10,249.90, 15,375.26 and 2,855.01 is: 4,282.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,249.90 : 15,375.26 = 2,855.01 : x
  2. Step 2: Convert to fraction form
    10,249.90/15,375.26 = 2,855.01/x
  3. Step 3: Cross multiply
    10,249.90x = 15,375.26 × 2,855.01
  4. Step 4: Simplify right side
    10,249.90x = 43,896,503.62
  5. Step 5: Solve for x
    x = 43,896,503.62/10,249.90
  6. Step 6: Final answer
    x = 4,282.63

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1.5x scale

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.