Home / 22,235.52-30,684.13-12,163.70

Finding the Fourth Proportional to 22,235.52, 30,684.13 and 12,163.70

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Solution

The fourth proportional to 22,235.52, 30,684.13 and 12,163.70 is: 16,785.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,235.52 : 30,684.13 = 12,163.70 : x
  2. Step 2: Convert to fraction form
    22,235.52/30,684.13 = 12,163.70/x
  3. Step 3: Cross multiply
    22,235.52x = 30,684.13 × 12,163.70
  4. Step 4: Simplify right side
    22,235.52x = 373,232,398.66
  5. Step 5: Solve for x
    x = 373,232,398.66/22,235.52
  6. Step 6: Final answer
    x = 16,785.42

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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.