Home / 22,161.15-30,580.03-12,470.43

Finding the Fourth Proportional to 22,161.15, 30,580.03 and 12,470.43

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Solution

The fourth proportional to 22,161.15, 30,580.03 and 12,470.43 is: 17,207.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,161.15 : 30,580.03 = 12,470.43 : x
  2. Step 2: Convert to fraction form
    22,161.15/30,580.03 = 12,470.43/x
  3. Step 3: Cross multiply
    22,161.15x = 30,580.03 × 12,470.43
  4. Step 4: Simplify right side
    22,161.15x = 381,346,180.61
  5. Step 5: Solve for x
    x = 381,346,180.61/22,161.15
  6. Step 6: Final answer
    x = 17,207.87

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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.