Home / 11,910.20-16,434.92-6,604.91

Finding the Fourth Proportional to 11,910.20, 16,434.92 and 6,604.91

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Solution

The fourth proportional to 11,910.20, 16,434.92 and 6,604.91 is: 9,114.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,910.20 : 16,434.92 = 6,604.91 : x
  2. Step 2: Convert to fraction form
    11,910.20/16,434.92 = 6,604.91/x
  3. Step 3: Cross multiply
    11,910.20x = 16,434.92 × 6,604.91
  4. Step 4: Simplify right side
    11,910.20x = 108,551,052.26
  5. Step 5: Solve for x
    x = 108,551,052.26/11,910.20
  6. Step 6: Final answer
    x = 9,114.13

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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.