Home / 11,730.70-16,187.49-6,694.78

Finding the Fourth Proportional to 11,730.70, 16,187.49 and 6,694.78

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Solution

The fourth proportional to 11,730.70, 16,187.49 and 6,694.78 is: 9,238.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,730.70 : 16,187.49 = 6,694.78 : x
  2. Step 2: Convert to fraction form
    11,730.70/16,187.49 = 6,694.78/x
  3. Step 3: Cross multiply
    11,730.70x = 16,187.49 × 6,694.78
  4. Step 4: Simplify right side
    11,730.70x = 108,371,684.30
  5. Step 5: Solve for x
    x = 108,371,684.30/11,730.70
  6. Step 6: Final answer
    x = 9,238.30

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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.