Home / 11,741.97-16,204.32-6,436.78

Finding the Fourth Proportional to 11,741.97, 16,204.32 and 6,436.78

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Solution

The fourth proportional to 11,741.97, 16,204.32 and 6,436.78 is: 8,882.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,741.97 : 16,204.32 = 6,436.78 : x
  2. Step 2: Convert to fraction form
    11,741.97/16,204.32 = 6,436.78/x
  3. Step 3: Cross multiply
    11,741.97x = 16,204.32 × 6,436.78
  4. Step 4: Simplify right side
    11,741.97x = 104,303,642.89
  5. Step 5: Solve for x
    x = 104,303,642.89/11,741.97
  6. Step 6: Final answer
    x = 8,882.98

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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.