Home / 11,909.66-16,434.24-6,604.46

Finding the Fourth Proportional to 11,909.66, 16,434.24 and 6,604.46

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Solution

The fourth proportional to 11,909.66, 16,434.24 and 6,604.46 is: 9,113.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,909.66 : 16,434.24 = 6,604.46 : x
  2. Step 2: Convert to fraction form
    11,909.66/16,434.24 = 6,604.46/x
  3. Step 3: Cross multiply
    11,909.66x = 16,434.24 × 6,604.46
  4. Step 4: Simplify right side
    11,909.66x = 108,539,198.54
  5. Step 5: Solve for x
    x = 108,539,198.54/11,909.66
  6. Step 6: Final answer
    x = 9,113.55

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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.