Home / 11,218.37-16,827.58-3,321.02

Finding the Fourth Proportional to 11,218.37, 16,827.58 and 3,321.02

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Solution

The fourth proportional to 11,218.37, 16,827.58 and 3,321.02 is: 4,981.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.37 : 16,827.58 = 3,321.02 : x
  2. Step 2: Convert to fraction form
    11,218.37/16,827.58 = 3,321.02/x
  3. Step 3: Cross multiply
    11,218.37x = 16,827.58 × 3,321.02
  4. Step 4: Simplify right side
    11,218.37x = 55,884,729.73
  5. Step 5: Solve for x
    x = 55,884,729.73/11,218.37
  6. Step 6: Final answer
    x = 4,981.54

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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.