Home / 11,027.50-15,217.76-5,991.80

Finding the Fourth Proportional to 11,027.50, 15,217.76 and 5,991.80

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Solution

The fourth proportional to 11,027.50, 15,217.76 and 5,991.80 is: 8,268.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,027.50 : 15,217.76 = 5,991.80 : x
  2. Step 2: Convert to fraction form
    11,027.50/15,217.76 = 5,991.80/x
  3. Step 3: Cross multiply
    11,027.50x = 15,217.76 × 5,991.80
  4. Step 4: Simplify right side
    11,027.50x = 91,181,698.28
  5. Step 5: Solve for x
    x = 91,181,698.28/11,027.50
  6. Step 6: Final answer
    x = 8,268.58

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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.