Home / 11,185.27-15,435.62-6,149.81

Finding the Fourth Proportional to 11,185.27, 15,435.62 and 6,149.81

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Solution

The fourth proportional to 11,185.27, 15,435.62 and 6,149.81 is: 8,486.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.27 : 15,435.62 = 6,149.81 : x
  2. Step 2: Convert to fraction form
    11,185.27/15,435.62 = 6,149.81/x
  3. Step 3: Cross multiply
    11,185.27x = 15,435.62 × 6,149.81
  4. Step 4: Simplify right side
    11,185.27x = 94,926,053.05
  5. Step 5: Solve for x
    x = 94,926,053.05/11,185.27
  6. Step 6: Final answer
    x = 8,486.71

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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.