Home / 11,674.94-16,111.52-6,369.78

Finding the Fourth Proportional to 11,674.94, 16,111.52 and 6,369.78

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Solution

The fourth proportional to 11,674.94, 16,111.52 and 6,369.78 is: 8,790.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,674.94 : 16,111.52 = 6,369.78 : x
  2. Step 2: Convert to fraction form
    11,674.94/16,111.52 = 6,369.78/x
  3. Step 3: Cross multiply
    11,674.94x = 16,111.52 × 6,369.78
  4. Step 4: Simplify right side
    11,674.94x = 102,626,837.87
  5. Step 5: Solve for x
    x = 102,626,837.87/11,674.94
  6. Step 6: Final answer
    x = 8,790.35

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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.