Home / 11,388.95-17,083.53-3,993.59

Finding the Fourth Proportional to 11,388.95, 17,083.53 and 3,993.59

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Solution

The fourth proportional to 11,388.95, 17,083.53 and 3,993.59 is: 5,990.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,388.95 : 17,083.53 = 3,993.59 : x
  2. Step 2: Convert to fraction form
    11,388.95/17,083.53 = 3,993.59/x
  3. Step 3: Cross multiply
    11,388.95x = 17,083.53 × 3,993.59
  4. Step 4: Simplify right side
    11,388.95x = 68,224,529.16
  5. Step 5: Solve for x
    x = 68,224,529.16/11,388.95
  6. Step 6: Final answer
    x = 5,990.42

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Similar ratio
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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.