Home / 11,081.27-16,600.21-7,321.59

Finding the Fourth Proportional to 11,081.27, 16,600.21 and 7,321.59

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Solution

The fourth proportional to 11,081.27, 16,600.21 and 7,321.59 is: 10,968.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,081.27 : 16,600.21 = 7,321.59 : x
  2. Step 2: Convert to fraction form
    11,081.27/16,600.21 = 7,321.59/x
  3. Step 3: Cross multiply
    11,081.27x = 16,600.21 × 7,321.59
  4. Step 4: Simplify right side
    11,081.27x = 121,539,913.23
  5. Step 5: Solve for x
    x = 121,539,913.23/11,081.27
  6. Step 6: Final answer
    x = 10,968.05

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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.