Home / 22,377.44-30,878.46-12,944.24

Finding the Fourth Proportional to 22,377.44, 30,878.46 and 12,944.24

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Solution

The fourth proportional to 22,377.44, 30,878.46 and 12,944.24 is: 17,861.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,377.44 : 30,878.46 = 12,944.24 : x
  2. Step 2: Convert to fraction form
    22,377.44/30,878.46 = 12,944.24/x
  3. Step 3: Cross multiply
    22,377.44x = 30,878.46 × 12,944.24
  4. Step 4: Simplify right side
    22,377.44x = 399,698,042.68
  5. Step 5: Solve for x
    x = 399,698,042.68/22,377.44
  6. Step 6: Final answer
    x = 17,861.66

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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.