Home / 13,801.06-20,701.51-8,255.96

Finding the Fourth Proportional to 13,801.06, 20,701.51 and 8,255.96

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Solution

The fourth proportional to 13,801.06, 20,701.51 and 8,255.96 is: 12,383.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801.06 : 20,701.51 = 8,255.96 : x
  2. Step 2: Convert to fraction form
    13,801.06/20,701.51 = 8,255.96/x
  3. Step 3: Cross multiply
    13,801.06x = 20,701.51 × 8,255.96
  4. Step 4: Simplify right side
    13,801.06x = 170,910,791.98
  5. Step 5: Solve for x
    x = 170,910,791.98/13,801.06
  6. Step 6: Final answer
    x = 12,383.89

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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.