Home / 11,863.82-16,370.64-6,557.91

Finding the Fourth Proportional to 11,863.82, 16,370.64 and 6,557.91

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Solution

The fourth proportional to 11,863.82, 16,370.64 and 6,557.91 is: 9,049.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,863.82 : 16,370.64 = 6,557.91 : x
  2. Step 2: Convert to fraction form
    11,863.82/16,370.64 = 6,557.91/x
  3. Step 3: Cross multiply
    11,863.82x = 16,370.64 × 6,557.91
  4. Step 4: Simplify right side
    11,863.82x = 107,357,183.76
  5. Step 5: Solve for x
    x = 107,357,183.76/11,863.82
  6. Step 6: Final answer
    x = 9,049.13

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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.