Home / 8,874.14-13,320.44-6,536.78

Finding the Fourth Proportional to 8,874.14, 13,320.44 and 6,536.78

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Solution

The fourth proportional to 8,874.14, 13,320.44 and 6,536.78 is: 9,811.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874.14 : 13,320.44 = 6,536.78 : x
  2. Step 2: Convert to fraction form
    8,874.14/13,320.44 = 6,536.78/x
  3. Step 3: Cross multiply
    8,874.14x = 13,320.44 × 6,536.78
  4. Step 4: Simplify right side
    8,874.14x = 87,072,785.78
  5. Step 5: Solve for x
    x = 87,072,785.78/8,874.14
  6. Step 6: Final answer
    x = 9,811.97

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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.