Home / 8,704.24-12,003.68-6,711.68

Finding the Fourth Proportional to 8,704.24, 12,003.68 and 6,711.68

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Solution

The fourth proportional to 8,704.24, 12,003.68 and 6,711.68 is: 9,255.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,704.24 : 12,003.68 = 6,711.68 : x
  2. Step 2: Convert to fraction form
    8,704.24/12,003.68 = 6,711.68/x
  3. Step 3: Cross multiply
    8,704.24x = 12,003.68 × 6,711.68
  4. Step 4: Simplify right side
    8,704.24x = 80,564,858.98
  5. Step 5: Solve for x
    x = 80,564,858.98/8,704.24
  6. Step 6: Final answer
    x = 9,255.82

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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.