Home / 12,741.89-19,114.34-6,163.34

Finding the Fourth Proportional to 12,741.89, 19,114.34 and 6,163.34

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Solution

The fourth proportional to 12,741.89, 19,114.34 and 6,163.34 is: 9,245.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,741.89 : 19,114.34 = 6,163.34 : x
  2. Step 2: Convert to fraction form
    12,741.89/19,114.34 = 6,163.34/x
  3. Step 3: Cross multiply
    12,741.89x = 19,114.34 × 6,163.34
  4. Step 4: Simplify right side
    12,741.89x = 117,808,049.91
  5. Step 5: Solve for x
    x = 117,808,049.91/12,741.89
  6. Step 6: Final answer
    x = 9,245.73

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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.