Home / 11,899.89-17,848.09-3,134.79

Finding the Fourth Proportional to 11,899.89, 17,848.09 and 3,134.79

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Solution

The fourth proportional to 11,899.89, 17,848.09 and 3,134.79 is: 4,701.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,899.89 : 17,848.09 = 3,134.79 : x
  2. Step 2: Convert to fraction form
    11,899.89/17,848.09 = 3,134.79/x
  3. Step 3: Cross multiply
    11,899.89x = 17,848.09 × 3,134.79
  4. Step 4: Simplify right side
    11,899.89x = 55,950,017.97
  5. Step 5: Solve for x
    x = 55,950,017.97/11,899.89
  6. Step 6: Final answer
    x = 4,701.73

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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.