Home / 12,785.96-17,650.08-8,596.64

Finding the Fourth Proportional to 12,785.96, 17,650.08 and 8,596.64

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Solution

The fourth proportional to 12,785.96, 17,650.08 and 8,596.64 is: 11,867.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,785.96 : 17,650.08 = 8,596.64 : x
  2. Step 2: Convert to fraction form
    12,785.96/17,650.08 = 8,596.64/x
  3. Step 3: Cross multiply
    12,785.96x = 17,650.08 × 8,596.64
  4. Step 4: Simplify right side
    12,785.96x = 151,731,383.73
  5. Step 5: Solve for x
    x = 151,731,383.73/12,785.96
  6. Step 6: Final answer
    x = 11,867.03

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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.