Home / 13,767.39-20,641.82-8,224.61

Finding the Fourth Proportional to 13,767.39, 20,641.82 and 8,224.61

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Solution

The fourth proportional to 13,767.39, 20,641.82 and 8,224.61 is: 12,331.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767.39 : 20,641.82 = 8,224.61 : x
  2. Step 2: Convert to fraction form
    13,767.39/20,641.82 = 8,224.61/x
  3. Step 3: Cross multiply
    13,767.39x = 20,641.82 × 8,224.61
  4. Step 4: Simplify right side
    13,767.39x = 169,770,774.86
  5. Step 5: Solve for x
    x = 169,770,774.86/13,767.39
  6. Step 6: Final answer
    x = 12,331.37

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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.