Home / 9,960.36-13,739.60-6,227.88

Finding the Fourth Proportional to 9,960.36, 13,739.60 and 6,227.88

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Solution

The fourth proportional to 9,960.36, 13,739.60 and 6,227.88 is: 8,590.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,960.36 : 13,739.60 = 6,227.88 : x
  2. Step 2: Convert to fraction form
    9,960.36/13,739.60 = 6,227.88/x
  3. Step 3: Cross multiply
    9,960.36x = 13,739.60 × 6,227.88
  4. Step 4: Simplify right side
    9,960.36x = 85,568,580.05
  5. Step 5: Solve for x
    x = 85,568,580.05/9,960.36
  6. Step 6: Final answer
    x = 8,590.91

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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.