Home / 11,955.79-17,936.45-4,057.89

Finding the Fourth Proportional to 11,955.79, 17,936.45 and 4,057.89

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Solution

The fourth proportional to 11,955.79, 17,936.45 and 4,057.89 is: 6,087.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,955.79 : 17,936.45 = 4,057.89 : x
  2. Step 2: Convert to fraction form
    11,955.79/17,936.45 = 4,057.89/x
  3. Step 3: Cross multiply
    11,955.79x = 17,936.45 × 4,057.89
  4. Step 4: Simplify right side
    11,955.79x = 72,784,141.09
  5. Step 5: Solve for x
    x = 72,784,141.09/11,955.79
  6. Step 6: Final answer
    x = 6,087.77

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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.