Home / 12,600.92-18,882.78-11,216.90

Finding the Fourth Proportional to 12,600.92, 18,882.78 and 11,216.90

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Solution

The fourth proportional to 12,600.92, 18,882.78 and 11,216.90 is: 16,808.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,600.92 : 18,882.78 = 11,216.90 : x
  2. Step 2: Convert to fraction form
    12,600.92/18,882.78 = 11,216.90/x
  3. Step 3: Cross multiply
    12,600.92x = 18,882.78 × 11,216.90
  4. Step 4: Simplify right side
    12,600.92x = 211,806,254.98
  5. Step 5: Solve for x
    x = 211,806,254.98/12,600.92
  6. Step 6: Final answer
    x = 16,808.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.