Home / 8,908.24-13,372.20-8,684.80

Finding the Fourth Proportional to 8,908.24, 13,372.20 and 8,684.80

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Solution

The fourth proportional to 8,908.24, 13,372.20 and 8,684.80 is: 13,036.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.24 : 13,372.20 = 8,684.80 : x
  2. Step 2: Convert to fraction form
    8,908.24/13,372.20 = 8,684.80/x
  3. Step 3: Cross multiply
    8,908.24x = 13,372.20 × 8,684.80
  4. Step 4: Simplify right side
    8,908.24x = 116,134,882.56
  5. Step 5: Solve for x
    x = 116,134,882.56/8,908.24
  6. Step 6: Final answer
    x = 13,036.79

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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.