Home / 11,027.55-15,218.07-5,991.78

Finding the Fourth Proportional to 11,027.55, 15,218.07 and 5,991.78

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Solution

The fourth proportional to 11,027.55, 15,218.07 and 5,991.78 is: 8,268.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,027.55 : 15,218.07 = 5,991.78 : x
  2. Step 2: Convert to fraction form
    11,027.55/15,218.07 = 5,991.78/x
  3. Step 3: Cross multiply
    11,027.55x = 15,218.07 × 5,991.78
  4. Step 4: Simplify right side
    11,027.55x = 91,183,327.46
  5. Step 5: Solve for x
    x = 91,183,327.46/11,027.55
  6. Step 6: Final answer
    x = 8,268.68

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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.