Home / 11,944.41-16,482.96-6,639.09

Finding the Fourth Proportional to 11,944.41, 16,482.96 and 6,639.09

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Solution

The fourth proportional to 11,944.41, 16,482.96 and 6,639.09 is: 9,161.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,944.41 : 16,482.96 = 6,639.09 : x
  2. Step 2: Convert to fraction form
    11,944.41/16,482.96 = 6,639.09/x
  3. Step 3: Cross multiply
    11,944.41x = 16,482.96 × 6,639.09
  4. Step 4: Simplify right side
    11,944.41x = 109,431,854.91
  5. Step 5: Solve for x
    x = 109,431,854.91/11,944.41
  6. Step 6: Final answer
    x = 9,161.76

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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.