Home / 12,141.26-18,222.70-6,222.17

Finding the Fourth Proportional to 12,141.26, 18,222.70 and 6,222.17

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Solution

The fourth proportional to 12,141.26, 18,222.70 and 6,222.17 is: 9,338.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,141.26 : 18,222.70 = 6,222.17 : x
  2. Step 2: Convert to fraction form
    12,141.26/18,222.70 = 6,222.17/x
  3. Step 3: Cross multiply
    12,141.26x = 18,222.70 × 6,222.17
  4. Step 4: Simplify right side
    12,141.26x = 113,384,813.37
  5. Step 5: Solve for x
    x = 113,384,813.37/12,141.26
  6. Step 6: Final answer
    x = 9,338.80

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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.