Home / 12,190.22-16,810.20-9,944.90

Finding the Fourth Proportional to 12,190.22, 16,810.20 and 9,944.90

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Solution

The fourth proportional to 12,190.22, 16,810.20 and 9,944.90 is: 13,713.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,190.22 : 16,810.20 = 9,944.90 : x
  2. Step 2: Convert to fraction form
    12,190.22/16,810.20 = 9,944.90/x
  3. Step 3: Cross multiply
    12,190.22x = 16,810.20 × 9,944.90
  4. Step 4: Simplify right side
    12,190.22x = 167,175,757.98
  5. Step 5: Solve for x
    x = 167,175,757.98/12,190.22
  6. Step 6: Final answer
    x = 13,713.92

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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.