Home / 22,470.05-30,998.85-13,512.41

Finding the Fourth Proportional to 22,470.05, 30,998.85 and 13,512.41

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Solution

The fourth proportional to 22,470.05, 30,998.85 and 13,512.41 is: 18,641.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,470.05 : 30,998.85 = 13,512.41 : x
  2. Step 2: Convert to fraction form
    22,470.05/30,998.85 = 13,512.41/x
  3. Step 3: Cross multiply
    22,470.05x = 30,998.85 × 13,512.41
  4. Step 4: Simplify right side
    22,470.05x = 418,869,015.73
  5. Step 5: Solve for x
    x = 418,869,015.73/22,470.05
  6. Step 6: Final answer
    x = 18,641.22

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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.