Home / 11,694.20-16,137.24-6,389.02

Finding the Fourth Proportional to 11,694.20, 16,137.24 and 6,389.02

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Solution

The fourth proportional to 11,694.20, 16,137.24 and 6,389.02 is: 8,816.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,694.20 : 16,137.24 = 6,389.02 : x
  2. Step 2: Convert to fraction form
    11,694.20/16,137.24 = 6,389.02/x
  3. Step 3: Cross multiply
    11,694.20x = 16,137.24 × 6,389.02
  4. Step 4: Simplify right side
    11,694.20x = 103,101,108.76
  5. Step 5: Solve for x
    x = 103,101,108.76/11,694.20
  6. Step 6: Final answer
    x = 8,816.43

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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.