Home / 11,682.63-16,122.03-6,377.76

Finding the Fourth Proportional to 11,682.63, 16,122.03 and 6,377.76

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Solution

The fourth proportional to 11,682.63, 16,122.03 and 6,377.76 is: 8,801.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,682.63 : 16,122.03 = 6,377.76 : x
  2. Step 2: Convert to fraction form
    11,682.63/16,122.03 = 6,377.76/x
  3. Step 3: Cross multiply
    11,682.63x = 16,122.03 × 6,377.76
  4. Step 4: Simplify right side
    11,682.63x = 102,822,438.05
  5. Step 5: Solve for x
    x = 102,822,438.05/11,682.63
  6. Step 6: Final answer
    x = 8,801.31

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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.