Home / 11,738.20-16,198.71-6,433.15

Finding the Fourth Proportional to 11,738.20, 16,198.71 and 6,433.15

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Solution

The fourth proportional to 11,738.20, 16,198.71 and 6,433.15 is: 8,877.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,738.20 : 16,198.71 = 6,433.15 : x
  2. Step 2: Convert to fraction form
    11,738.20/16,198.71 = 6,433.15/x
  3. Step 3: Cross multiply
    11,738.20x = 16,198.71 × 6,433.15
  4. Step 4: Simplify right side
    11,738.20x = 104,208,731.24
  5. Step 5: Solve for x
    x = 104,208,731.24/11,738.20
  6. Step 6: Final answer
    x = 8,877.74

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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.