Home / 12,169.85-18,252.71-3,402.73

Finding the Fourth Proportional to 12,169.85, 18,252.71 and 3,402.73

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Solution

The fourth proportional to 12,169.85, 18,252.71 and 3,402.73 is: 5,103.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,169.85 : 18,252.71 = 3,402.73 : x
  2. Step 2: Convert to fraction form
    12,169.85/18,252.71 = 3,402.73/x
  3. Step 3: Cross multiply
    12,169.85x = 18,252.71 × 3,402.73
  4. Step 4: Simplify right side
    12,169.85x = 62,108,935.62
  5. Step 5: Solve for x
    x = 62,108,935.62/12,169.85
  6. Step 6: Final answer
    x = 5,103.51

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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.