Home / 11,245.38-16,859.74-5,396.42

Finding the Fourth Proportional to 11,245.38, 16,859.74 and 5,396.42

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Solution

The fourth proportional to 11,245.38, 16,859.74 and 5,396.42 is: 8,090.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,245.38 : 16,859.74 = 5,396.42 : x
  2. Step 2: Convert to fraction form
    11,245.38/16,859.74 = 5,396.42/x
  3. Step 3: Cross multiply
    11,245.38x = 16,859.74 × 5,396.42
  4. Step 4: Simplify right side
    11,245.38x = 90,982,238.13
  5. Step 5: Solve for x
    x = 90,982,238.13/11,245.38
  6. Step 6: Final answer
    x = 8,090.63

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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.