Home / 11,685.13-17,527.79-3,893.94

Finding the Fourth Proportional to 11,685.13, 17,527.79 and 3,893.94

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Solution

The fourth proportional to 11,685.13, 17,527.79 and 3,893.94 is: 5,840.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,685.13 : 17,527.79 = 3,893.94 : x
  2. Step 2: Convert to fraction form
    11,685.13/17,527.79 = 3,893.94/x
  3. Step 3: Cross multiply
    11,685.13x = 17,527.79 × 3,893.94
  4. Step 4: Simplify right side
    11,685.13x = 68,252,172.33
  5. Step 5: Solve for x
    x = 68,252,172.33/11,685.13
  6. Step 6: Final answer
    x = 5,840.94

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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.