Home / 11,677.79-16,115.69-6,372.95

Finding the Fourth Proportional to 11,677.79, 16,115.69 and 6,372.95

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Solution

The fourth proportional to 11,677.79, 16,115.69 and 6,372.95 is: 8,794.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,677.79 : 16,115.69 = 6,372.95 : x
  2. Step 2: Convert to fraction form
    11,677.79/16,115.69 = 6,372.95/x
  3. Step 3: Cross multiply
    11,677.79x = 16,115.69 × 6,372.95
  4. Step 4: Simplify right side
    11,677.79x = 102,704,446.30
  5. Step 5: Solve for x
    x = 102,704,446.30/11,677.79
  6. Step 6: Final answer
    x = 8,794.85

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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.