Home / 13,717.44-20,546.88-6,686.64

Finding the Fourth Proportional to 13,717.44, 20,546.88 and 6,686.64

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Solution

The fourth proportional to 13,717.44, 20,546.88 and 6,686.64 is: 10,015.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,717.44 : 20,546.88 = 6,686.64 : x
  2. Step 2: Convert to fraction form
    13,717.44/20,546.88 = 6,686.64/x
  3. Step 3: Cross multiply
    13,717.44x = 20,546.88 × 6,686.64
  4. Step 4: Simplify right side
    13,717.44x = 137,389,589.68
  5. Step 5: Solve for x
    x = 137,389,589.68/13,717.44
  6. Step 6: Final answer
    x = 10,015.69

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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.