Home / 13,156.37-19,723.11-5,755.19

Finding the Fourth Proportional to 13,156.37, 19,723.11 and 5,755.19

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Solution

The fourth proportional to 13,156.37, 19,723.11 and 5,755.19 is: 8,627.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,156.37 : 19,723.11 = 5,755.19 : x
  2. Step 2: Convert to fraction form
    13,156.37/19,723.11 = 5,755.19/x
  3. Step 3: Cross multiply
    13,156.37x = 19,723.11 × 5,755.19
  4. Step 4: Simplify right side
    13,156.37x = 113,510,245.44
  5. Step 5: Solve for x
    x = 113,510,245.44/13,156.37
  6. Step 6: Final answer
    x = 8,627.78

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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.