Home / 11,694.08-16,137.56-6,389.04

Finding the Fourth Proportional to 11,694.08, 16,137.56 and 6,389.04

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Solution

The fourth proportional to 11,694.08, 16,137.56 and 6,389.04 is: 8,816.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,694.08 : 16,137.56 = 6,389.04 : x
  2. Step 2: Convert to fraction form
    11,694.08/16,137.56 = 6,389.04/x
  3. Step 3: Cross multiply
    11,694.08x = 16,137.56 × 6,389.04
  4. Step 4: Simplify right side
    11,694.08x = 103,103,516.34
  5. Step 5: Solve for x
    x = 103,103,516.34/11,694.08
  6. Step 6: Final answer
    x = 8,816.73

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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.