Home / 12,451.83-17,183.31-6,786.64

Finding the Fourth Proportional to 12,451.83, 17,183.31 and 6,786.64

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Solution

The fourth proportional to 12,451.83, 17,183.31 and 6,786.64 is: 9,365.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451.83 : 17,183.31 = 6,786.64 : x
  2. Step 2: Convert to fraction form
    12,451.83/17,183.31 = 6,786.64/x
  3. Step 3: Cross multiply
    12,451.83x = 17,183.31 × 6,786.64
  4. Step 4: Simplify right side
    12,451.83x = 116,616,938.98
  5. Step 5: Solve for x
    x = 116,616,938.98/12,451.83
  6. Step 6: Final answer
    x = 9,365.45

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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.