Home / 11,388.87-17,086.55-8,092.17

Finding the Fourth Proportional to 11,388.87, 17,086.55 and 8,092.17

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Solution

The fourth proportional to 11,388.87, 17,086.55 and 8,092.17 is: 12,140.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,388.87 : 17,086.55 = 8,092.17 : x
  2. Step 2: Convert to fraction form
    11,388.87/17,086.55 = 8,092.17/x
  3. Step 3: Cross multiply
    11,388.87x = 17,086.55 × 8,092.17
  4. Step 4: Simplify right side
    11,388.87x = 138,267,226.85
  5. Step 5: Solve for x
    x = 138,267,226.85/11,388.87
  6. Step 6: Final answer
    x = 12,140.56

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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.