Home / 11,910.15-16,434.93-6,604.95

Finding the Fourth Proportional to 11,910.15, 16,434.93 and 6,604.95

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Solution

The fourth proportional to 11,910.15, 16,434.93 and 6,604.95 is: 9,114.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,910.15 : 16,434.93 = 6,604.95 : x
  2. Step 2: Convert to fraction form
    11,910.15/16,434.93 = 6,604.95/x
  3. Step 3: Cross multiply
    11,910.15x = 16,434.93 × 6,604.95
  4. Step 4: Simplify right side
    11,910.15x = 108,551,890.90
  5. Step 5: Solve for x
    x = 108,551,890.90/11,910.15
  6. Step 6: Final answer
    x = 9,114.23

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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.