Home / 22,235.67-30,684.89-12,163.86

Finding the Fourth Proportional to 22,235.67, 30,684.89 and 12,163.86

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Solution

The fourth proportional to 22,235.67, 30,684.89 and 12,163.86 is: 16,785.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,235.67 : 30,684.89 = 12,163.86 : x
  2. Step 2: Convert to fraction form
    22,235.67/30,684.89 = 12,163.86/x
  3. Step 3: Cross multiply
    22,235.67x = 30,684.89 × 12,163.86
  4. Step 4: Simplify right side
    22,235.67x = 373,246,645.26
  5. Step 5: Solve for x
    x = 373,246,645.26/22,235.67
  6. Step 6: Final answer
    x = 16,785.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.