Home / 11,808.63-17,708.78-3,486.44

Finding the Fourth Proportional to 11,808.63, 17,708.78 and 3,486.44

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Solution

The fourth proportional to 11,808.63, 17,708.78 and 3,486.44 is: 5,228.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,808.63 : 17,708.78 = 3,486.44 : x
  2. Step 2: Convert to fraction form
    11,808.63/17,708.78 = 3,486.44/x
  3. Step 3: Cross multiply
    11,808.63x = 17,708.78 × 3,486.44
  4. Step 4: Simplify right side
    11,808.63x = 61,740,651.93
  5. Step 5: Solve for x
    x = 61,740,651.93/11,808.63
  6. Step 6: Final answer
    x = 5,228.43

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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.