Home / 11,734.27-16,192.76-6,428.97

Finding the Fourth Proportional to 11,734.27, 16,192.76 and 6,428.97

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Solution

The fourth proportional to 11,734.27, 16,192.76 and 6,428.97 is: 8,871.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,734.27 : 16,192.76 = 6,428.97 : x
  2. Step 2: Convert to fraction form
    11,734.27/16,192.76 = 6,428.97/x
  3. Step 3: Cross multiply
    11,734.27x = 16,192.76 × 6,428.97
  4. Step 4: Simplify right side
    11,734.27x = 104,102,736.11
  5. Step 5: Solve for x
    x = 104,102,736.11/11,734.27
  6. Step 6: Final answer
    x = 8,871.69

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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.