Home / 16,080.70-22,191.03-8,910.55

Finding the Fourth Proportional to 16,080.70, 22,191.03 and 8,910.55

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Solution

The fourth proportional to 16,080.70, 22,191.03 and 8,910.55 is: 12,296.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,080.70 : 22,191.03 = 8,910.55 : x
  2. Step 2: Convert to fraction form
    16,080.70/22,191.03 = 8,910.55/x
  3. Step 3: Cross multiply
    16,080.70x = 22,191.03 × 8,910.55
  4. Step 4: Simplify right side
    16,080.70x = 197,734,294.50
  5. Step 5: Solve for x
    x = 197,734,294.50/16,080.70
  6. Step 6: Final answer
    x = 12,296.38

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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.