Home / 16,205.64-22,217.94-15,910.41

Finding the Fourth Proportional to 16,205.64, 22,217.94 and 15,910.41

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Solution

The fourth proportional to 16,205.64, 22,217.94 and 15,910.41 is: 21,813.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,205.64 : 22,217.94 = 15,910.41 : x
  2. Step 2: Convert to fraction form
    16,205.64/22,217.94 = 15,910.41/x
  3. Step 3: Cross multiply
    16,205.64x = 22,217.94 × 15,910.41
  4. Step 4: Simplify right side
    16,205.64x = 353,496,534.76
  5. Step 5: Solve for x
    x = 353,496,534.76/16,205.64
  6. Step 6: Final answer
    x = 21,813.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.