Home / 11,836.04-17,750.40-3,936.86

Finding the Fourth Proportional to 11,836.04, 17,750.40 and 3,936.86

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Solution

The fourth proportional to 11,836.04, 17,750.40 and 3,936.86 is: 5,904.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,836.04 : 17,750.40 = 3,936.86 : x
  2. Step 2: Convert to fraction form
    11,836.04/17,750.40 = 3,936.86/x
  3. Step 3: Cross multiply
    11,836.04x = 17,750.40 × 3,936.86
  4. Step 4: Simplify right side
    11,836.04x = 69,880,839.74
  5. Step 5: Solve for x
    x = 69,880,839.74/11,836.04
  6. Step 6: Final answer
    x = 5,904.07

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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.