Home / 11,734.05-16,192.99-6,428.88

Finding the Fourth Proportional to 11,734.05, 16,192.99 and 6,428.88

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Solution

The fourth proportional to 11,734.05, 16,192.99 and 6,428.88 is: 8,871.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,734.05 : 16,192.99 = 6,428.88 : x
  2. Step 2: Convert to fraction form
    11,734.05/16,192.99 = 6,428.88/x
  3. Step 3: Cross multiply
    11,734.05x = 16,192.99 × 6,428.88
  4. Step 4: Simplify right side
    11,734.05x = 104,102,789.55
  5. Step 5: Solve for x
    x = 104,102,789.55/11,734.05
  6. Step 6: Final answer
    x = 8,871.85

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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.