Home / 22,192.44-30,624.32-12,118.88

Finding the Fourth Proportional to 22,192.44, 30,624.32 and 12,118.88

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Solution

The fourth proportional to 22,192.44, 30,624.32 and 12,118.88 is: 16,723.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,192.44 : 30,624.32 = 12,118.88 : x
  2. Step 2: Convert to fraction form
    22,192.44/30,624.32 = 12,118.88/x
  3. Step 3: Cross multiply
    22,192.44x = 30,624.32 × 12,118.88
  4. Step 4: Simplify right side
    22,192.44x = 371,132,245.45
  5. Step 5: Solve for x
    x = 371,132,245.45/22,192.44
  6. Step 6: Final answer
    x = 16,723.36

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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.