Home / 12,208.11-18,310.53-3,443.73

Finding the Fourth Proportional to 12,208.11, 18,310.53 and 3,443.73

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Solution

The fourth proportional to 12,208.11, 18,310.53 and 3,443.73 is: 5,165.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208.11 : 18,310.53 = 3,443.73 : x
  2. Step 2: Convert to fraction form
    12,208.11/18,310.53 = 3,443.73/x
  3. Step 3: Cross multiply
    12,208.11x = 18,310.53 × 3,443.73
  4. Step 4: Simplify right side
    12,208.11x = 63,056,521.48
  5. Step 5: Solve for x
    x = 63,056,521.48/12,208.11
  6. Step 6: Final answer
    x = 5,165.13

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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.