Home / 11,217.42-16,827.76-3,425.22

Finding the Fourth Proportional to 11,217.42, 16,827.76 and 3,425.22

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Solution

The fourth proportional to 11,217.42, 16,827.76 and 3,425.22 is: 5,138.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.42 : 16,827.76 = 3,425.22 : x
  2. Step 2: Convert to fraction form
    11,217.42/16,827.76 = 3,425.22/x
  3. Step 3: Cross multiply
    11,217.42x = 16,827.76 × 3,425.22
  4. Step 4: Simplify right side
    11,217.42x = 57,638,780.11
  5. Step 5: Solve for x
    x = 57,638,780.11/11,217.42
  6. Step 6: Final answer
    x = 5,138.33

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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.