Home / 10,997.42-15,174.36-6,519.54

Finding the Fourth Proportional to 10,997.42, 15,174.36 and 6,519.54

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Solution

The fourth proportional to 10,997.42, 15,174.36 and 6,519.54 is: 8,995.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,997.42 : 15,174.36 = 6,519.54 : x
  2. Step 2: Convert to fraction form
    10,997.42/15,174.36 = 6,519.54/x
  3. Step 3: Cross multiply
    10,997.42x = 15,174.36 × 6,519.54
  4. Step 4: Simplify right side
    10,997.42x = 98,929,836.88
  5. Step 5: Solve for x
    x = 98,929,836.88/10,997.42
  6. Step 6: Final answer
    x = 8,995.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.