Home / 12,422.18-18,634.94-4,523.66

Finding the Fourth Proportional to 12,422.18, 18,634.94 and 4,523.66

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Solution

The fourth proportional to 12,422.18, 18,634.94 and 4,523.66 is: 6,786.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,422.18 : 18,634.94 = 4,523.66 : x
  2. Step 2: Convert to fraction form
    12,422.18/18,634.94 = 4,523.66/x
  3. Step 3: Cross multiply
    12,422.18x = 18,634.94 × 4,523.66
  4. Step 4: Simplify right side
    12,422.18x = 84,298,132.68
  5. Step 5: Solve for x
    x = 84,298,132.68/12,422.18
  6. Step 6: Final answer
    x = 6,786.10

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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.