Home / 11,734.95-16,193.82-6,429.72

Finding the Fourth Proportional to 11,734.95, 16,193.82 and 6,429.72

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Solution

The fourth proportional to 11,734.95, 16,193.82 and 6,429.72 is: 8,872.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,734.95 : 16,193.82 = 6,429.72 : x
  2. Step 2: Convert to fraction form
    11,734.95/16,193.82 = 6,429.72/x
  3. Step 3: Cross multiply
    11,734.95x = 16,193.82 × 6,429.72
  4. Step 4: Simplify right side
    11,734.95x = 104,121,728.33
  5. Step 5: Solve for x
    x = 104,121,728.33/11,734.95
  6. Step 6: Final answer
    x = 8,872.79

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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.