Home / 13,997.88-19,316.07-8,028.54

Finding the Fourth Proportional to 13,997.88, 19,316.07 and 8,028.54

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Solution

The fourth proportional to 13,997.88, 19,316.07 and 8,028.54 is: 11,078.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997.88 : 19,316.07 = 8,028.54 : x
  2. Step 2: Convert to fraction form
    13,997.88/19,316.07 = 8,028.54/x
  3. Step 3: Cross multiply
    13,997.88x = 19,316.07 × 8,028.54
  4. Step 4: Simplify right side
    13,997.88x = 155,079,840.64
  5. Step 5: Solve for x
    x = 155,079,840.64/13,997.88
  6. Step 6: Final answer
    x = 11,078.81

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Similar ratio
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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.