Home / 13,786.56-20,676.42-5,463.72

Finding the Fourth Proportional to 13,786.56, 20,676.42 and 5,463.72

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Solution

The fourth proportional to 13,786.56, 20,676.42 and 5,463.72 is: 8,194.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,786.56 : 20,676.42 = 5,463.72 : x
  2. Step 2: Convert to fraction form
    13,786.56/20,676.42 = 5,463.72/x
  3. Step 3: Cross multiply
    13,786.56x = 20,676.42 × 5,463.72
  4. Step 4: Simplify right side
    13,786.56x = 112,970,169.48
  5. Step 5: Solve for x
    x = 112,970,169.48/13,786.56
  6. Step 6: Final answer
    x = 8,194.22

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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.