Home / 11,704.11-16,151.67-6,398.91

Finding the Fourth Proportional to 11,704.11, 16,151.67 and 6,398.91

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Solution

The fourth proportional to 11,704.11, 16,151.67 and 6,398.91 is: 8,830.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,704.11 : 16,151.67 = 6,398.91 : x
  2. Step 2: Convert to fraction form
    11,704.11/16,151.67 = 6,398.91/x
  3. Step 3: Cross multiply
    11,704.11x = 16,151.67 × 6,398.91
  4. Step 4: Simplify right side
    11,704.11x = 103,353,082.68
  5. Step 5: Solve for x
    x = 103,353,082.68/11,704.11
  6. Step 6: Final answer
    x = 8,830.49

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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.