Home / 11,218.20-16,827.14-3,427.06

Finding the Fourth Proportional to 11,218.20, 16,827.14 and 3,427.06

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Solution

The fourth proportional to 11,218.20, 16,827.14 and 3,427.06 is: 5,140.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.20 : 16,827.14 = 3,427.06 : x
  2. Step 2: Convert to fraction form
    11,218.20/16,827.14 = 3,427.06/x
  3. Step 3: Cross multiply
    11,218.20x = 16,827.14 × 3,427.06
  4. Step 4: Simplify right side
    11,218.20x = 57,667,618.41
  5. Step 5: Solve for x
    x = 57,667,618.41/11,218.20
  6. Step 6: Final answer
    x = 5,140.54

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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.