Home / 22,390.73-33,512.24-12,380.07

Finding the Fourth Proportional to 22,390.73, 33,512.24 and 12,380.07

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Solution

The fourth proportional to 22,390.73, 33,512.24 and 12,380.07 is: 18,529.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,390.73 : 33,512.24 = 12,380.07 : x
  2. Step 2: Convert to fraction form
    22,390.73/33,512.24 = 12,380.07/x
  3. Step 3: Cross multiply
    22,390.73x = 33,512.24 × 12,380.07
  4. Step 4: Simplify right side
    22,390.73x = 414,884,033.68
  5. Step 5: Solve for x
    x = 414,884,033.68/22,390.73
  6. Step 6: Final answer
    x = 18,529.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.