Home / 11,014.84-16,520.10-3,221.56

Finding the Fourth Proportional to 11,014.84, 16,520.10 and 3,221.56

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Solution

The fourth proportional to 11,014.84, 16,520.10 and 3,221.56 is: 4,831.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,014.84 : 16,520.10 = 3,221.56 : x
  2. Step 2: Convert to fraction form
    11,014.84/16,520.10 = 3,221.56/x
  3. Step 3: Cross multiply
    11,014.84x = 16,520.10 × 3,221.56
  4. Step 4: Simplify right side
    11,014.84x = 53,220,493.36
  5. Step 5: Solve for x
    x = 53,220,493.36/11,014.84
  6. Step 6: Final answer
    x = 4,831.71

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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.