Home / 8,175.90-12,231.45-7,092.30

Finding the Fourth Proportional to 8,175.90, 12,231.45 and 7,092.30

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Solution

The fourth proportional to 8,175.90, 12,231.45 and 7,092.30 is: 10,610.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.90 : 12,231.45 = 7,092.30 : x
  2. Step 2: Convert to fraction form
    8,175.90/12,231.45 = 7,092.30/x
  3. Step 3: Cross multiply
    8,175.90x = 12,231.45 × 7,092.30
  4. Step 4: Simplify right side
    8,175.90x = 86,749,112.84
  5. Step 5: Solve for x
    x = 86,749,112.84/8,175.90
  6. Step 6: Final answer
    x = 10,610.34

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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.