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Finding the Fourth Proportional to 8,356.38, 12,534.57 and 6,788.94

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Solution

The fourth proportional to 8,356.38, 12,534.57 and 6,788.94 is: 10,183.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.38 : 12,534.57 = 6,788.94 : x
  2. Step 2: Convert to fraction form
    8,356.38/12,534.57 = 6,788.94/x
  3. Step 3: Cross multiply
    8,356.38x = 12,534.57 × 6,788.94
  4. Step 4: Simplify right side
    8,356.38x = 85,096,443.66
  5. Step 5: Solve for x
    x = 85,096,443.66/8,356.38
  6. Step 6: Final answer
    x = 10,183.41

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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.