Home / 11,673.05-16,108.81-6,367.91

Finding the Fourth Proportional to 11,673.05, 16,108.81 and 6,367.91

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Solution

The fourth proportional to 11,673.05, 16,108.81 and 6,367.91 is: 8,787.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,673.05 : 16,108.81 = 6,367.91 : x
  2. Step 2: Convert to fraction form
    11,673.05/16,108.81 = 6,367.91/x
  3. Step 3: Cross multiply
    11,673.05x = 16,108.81 × 6,367.91
  4. Step 4: Simplify right side
    11,673.05x = 102,579,355.82
  5. Step 5: Solve for x
    x = 102,579,355.82/11,673.05
  6. Step 6: Final answer
    x = 8,787.71

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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.