Home / 12,227.24-18,338.22-3,459.80

Finding the Fourth Proportional to 12,227.24, 18,338.22 and 3,459.80

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Solution

The fourth proportional to 12,227.24, 18,338.22 and 3,459.80 is: 5,188.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,227.24 : 18,338.22 = 3,459.80 : x
  2. Step 2: Convert to fraction form
    12,227.24/18,338.22 = 3,459.80/x
  3. Step 3: Cross multiply
    12,227.24x = 18,338.22 × 3,459.80
  4. Step 4: Simplify right side
    12,227.24x = 63,446,573.56
  5. Step 5: Solve for x
    x = 63,446,573.56/12,227.24
  6. Step 6: Final answer
    x = 5,188.95

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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.