Home / 12,222.23-18,322.40-6,382.94

Finding the Fourth Proportional to 12,222.23, 18,322.40 and 6,382.94

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Solution

The fourth proportional to 12,222.23, 18,322.40 and 6,382.94 is: 9,568.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,222.23 : 18,322.40 = 6,382.94 : x
  2. Step 2: Convert to fraction form
    12,222.23/18,322.40 = 6,382.94/x
  3. Step 3: Cross multiply
    12,222.23x = 18,322.40 × 6,382.94
  4. Step 4: Simplify right side
    12,222.23x = 116,950,704.20
  5. Step 5: Solve for x
    x = 116,950,704.20/12,222.23
  6. Step 6: Final answer
    x = 9,568.69

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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.