Home / 11,186.25-15,435.67-6,149.64

Finding the Fourth Proportional to 11,186.25, 15,435.67 and 6,149.64

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Solution

The fourth proportional to 11,186.25, 15,435.67 and 6,149.64 is: 8,485.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.25 : 15,435.67 = 6,149.64 : x
  2. Step 2: Convert to fraction form
    11,186.25/15,435.67 = 6,149.64/x
  3. Step 3: Cross multiply
    11,186.25x = 15,435.67 × 6,149.64
  4. Step 4: Simplify right side
    11,186.25x = 94,923,813.66
  5. Step 5: Solve for x
    x = 94,923,813.66/11,186.25
  6. Step 6: Final answer
    x = 8,485.76

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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.