Home / 11,674.94-16,111.53-6,369.79

Finding the Fourth Proportional to 11,674.94, 16,111.53 and 6,369.79

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Solution

The fourth proportional to 11,674.94, 16,111.53 and 6,369.79 is: 8,790.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,674.94 : 16,111.53 = 6,369.79 : x
  2. Step 2: Convert to fraction form
    11,674.94/16,111.53 = 6,369.79/x
  3. Step 3: Cross multiply
    11,674.94x = 16,111.53 × 6,369.79
  4. Step 4: Simplify right side
    11,674.94x = 102,627,062.68
  5. Step 5: Solve for x
    x = 102,627,062.68/11,674.94
  6. Step 6: Final answer
    x = 8,790.37

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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.