Home / 11,347.30-17,020.98-3,449.89

Finding the Fourth Proportional to 11,347.30, 17,020.98 and 3,449.89

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Solution

The fourth proportional to 11,347.30, 17,020.98 and 3,449.89 is: 5,174.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,347.30 : 17,020.98 = 3,449.89 : x
  2. Step 2: Convert to fraction form
    11,347.30/17,020.98 = 3,449.89/x
  3. Step 3: Cross multiply
    11,347.30x = 17,020.98 × 3,449.89
  4. Step 4: Simplify right side
    11,347.30x = 58,720,508.69
  5. Step 5: Solve for x
    x = 58,720,508.69/11,347.30
  6. Step 6: Final answer
    x = 5,174.84

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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.