Home / 8,768.80-13,138.60-6,166.24

Finding the Fourth Proportional to 8,768.80, 13,138.60 and 6,166.24

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Solution

The fourth proportional to 8,768.80, 13,138.60 and 6,166.24 is: 9,239.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768.80 : 13,138.60 = 6,166.24 : x
  2. Step 2: Convert to fraction form
    8,768.80/13,138.60 = 6,166.24/x
  3. Step 3: Cross multiply
    8,768.80x = 13,138.60 × 6,166.24
  4. Step 4: Simplify right side
    8,768.80x = 81,015,760.86
  5. Step 5: Solve for x
    x = 81,015,760.86/8,768.80
  6. Step 6: Final answer
    x = 9,239.09

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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.