Home / 22,333.32-30,818.97-13,385.79

Finding the Fourth Proportional to 22,333.32, 30,818.97 and 13,385.79

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Solution

The fourth proportional to 22,333.32, 30,818.97 and 13,385.79 is: 18,471.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,333.32 : 30,818.97 = 13,385.79 : x
  2. Step 2: Convert to fraction form
    22,333.32/30,818.97 = 13,385.79/x
  3. Step 3: Cross multiply
    22,333.32x = 30,818.97 × 13,385.79
  4. Step 4: Simplify right side
    22,333.32x = 412,536,260.44
  5. Step 5: Solve for x
    x = 412,536,260.44/22,333.32
  6. Step 6: Final answer
    x = 18,471.78

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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.