Home / 14,183.39-21,286.42-6,392.81

Finding the Fourth Proportional to 14,183.39, 21,286.42 and 6,392.81

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Solution

The fourth proportional to 14,183.39, 21,286.42 and 6,392.81 is: 9,594.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,183.39 : 21,286.42 = 6,392.81 : x
  2. Step 2: Convert to fraction form
    14,183.39/21,286.42 = 6,392.81/x
  3. Step 3: Cross multiply
    14,183.39x = 21,286.42 × 6,392.81
  4. Step 4: Simplify right side
    14,183.39x = 136,080,038.64
  5. Step 5: Solve for x
    x = 136,080,038.64/14,183.39
  6. Step 6: Final answer
    x = 9,594.32

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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.