Home / 14,183.76-21,286.98-6,393.18

Finding the Fourth Proportional to 14,183.76, 21,286.98 and 6,393.18

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Solution

The fourth proportional to 14,183.76, 21,286.98 and 6,393.18 is: 9,594.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,183.76 : 21,286.98 = 6,393.18 : x
  2. Step 2: Convert to fraction form
    14,183.76/21,286.98 = 6,393.18/x
  3. Step 3: Cross multiply
    14,183.76x = 21,286.98 × 6,393.18
  4. Step 4: Simplify right side
    14,183.76x = 136,091,494.80
  5. Step 5: Solve for x
    x = 136,091,494.80/14,183.76
  6. Step 6: Final answer
    x = 9,594.88

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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.