Home / 20,014.62-27,616.50-12,845.88

Finding the Fourth Proportional to 20,014.62, 27,616.50 and 12,845.88

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Solution

The fourth proportional to 20,014.62, 27,616.50 and 12,845.88 is: 17,724.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,014.62 : 27,616.50 = 12,845.88 : x
  2. Step 2: Convert to fraction form
    20,014.62/27,616.50 = 12,845.88/x
  3. Step 3: Cross multiply
    20,014.62x = 27,616.50 × 12,845.88
  4. Step 4: Simplify right side
    20,014.62x = 354,758,245.02
  5. Step 5: Solve for x
    x = 354,758,245.02/20,014.62
  6. Step 6: Final answer
    x = 17,724.96

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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.