Home / 11,674.08-17,504.64-3,878.64

Finding the Fourth Proportional to 11,674.08, 17,504.64 and 3,878.64

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Solution

The fourth proportional to 11,674.08, 17,504.64 and 3,878.64 is: 5,815.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,674.08 : 17,504.64 = 3,878.64 : x
  2. Step 2: Convert to fraction form
    11,674.08/17,504.64 = 3,878.64/x
  3. Step 3: Cross multiply
    11,674.08x = 17,504.64 × 3,878.64
  4. Step 4: Simplify right side
    11,674.08x = 67,894,196.89
  5. Step 5: Solve for x
    x = 67,894,196.89/11,674.08
  6. Step 6: Final answer
    x = 5,815.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.