Home / 9,380.44-12,939.36-6,193.76

Finding the Fourth Proportional to 9,380.44, 12,939.36 and 6,193.76

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Solution

The fourth proportional to 9,380.44, 12,939.36 and 6,193.76 is: 8,543.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,380.44 : 12,939.36 = 6,193.76 : x
  2. Step 2: Convert to fraction form
    9,380.44/12,939.36 = 6,193.76/x
  3. Step 3: Cross multiply
    9,380.44x = 12,939.36 × 6,193.76
  4. Step 4: Simplify right side
    9,380.44x = 80,143,290.39
  5. Step 5: Solve for x
    x = 80,143,290.39/9,380.44
  6. Step 6: Final answer
    x = 8,543.66

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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.