Home / 22,279.39-30,745.53-12,208.46

Finding the Fourth Proportional to 22,279.39, 30,745.53 and 12,208.46

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Solution

The fourth proportional to 22,279.39, 30,745.53 and 12,208.46 is: 16,847.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,279.39 : 30,745.53 = 12,208.46 : x
  2. Step 2: Convert to fraction form
    22,279.39/30,745.53 = 12,208.46/x
  3. Step 3: Cross multiply
    22,279.39x = 30,745.53 × 12,208.46
  4. Step 4: Simplify right side
    22,279.39x = 375,355,573.18
  5. Step 5: Solve for x
    x = 375,355,573.18/22,279.39
  6. Step 6: Final answer
    x = 16,847.66

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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.