Home / 22,204.78-30,641.71-12,645.97

Finding the Fourth Proportional to 22,204.78, 30,641.71 and 12,645.97

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Solution

The fourth proportional to 22,204.78, 30,641.71 and 12,645.97 is: 17,450.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,204.78 : 30,641.71 = 12,645.97 : x
  2. Step 2: Convert to fraction form
    22,204.78/30,641.71 = 12,645.97/x
  3. Step 3: Cross multiply
    22,204.78x = 30,641.71 × 12,645.97
  4. Step 4: Simplify right side
    22,204.78x = 387,494,145.41
  5. Step 5: Solve for x
    x = 387,494,145.41/22,204.78
  6. Step 6: Final answer
    x = 17,450.93

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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.