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Finding the Fourth Proportional to 12,506.82, 18,739.41 and 8,801.27

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Solution

The fourth proportional to 12,506.82, 18,739.41 and 8,801.27 is: 13,187.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,506.82 : 18,739.41 = 8,801.27 : x
  2. Step 2: Convert to fraction form
    12,506.82/18,739.41 = 8,801.27/x
  3. Step 3: Cross multiply
    12,506.82x = 18,739.41 × 8,801.27
  4. Step 4: Simplify right side
    12,506.82x = 164,930,469.35
  5. Step 5: Solve for x
    x = 164,930,469.35/12,506.82
  6. Step 6: Final answer
    x = 13,187.24

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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.