Home / 11,690.29-17,536.33-3,899.11

Finding the Fourth Proportional to 11,690.29, 17,536.33 and 3,899.11

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Solution

The fourth proportional to 11,690.29, 17,536.33 and 3,899.11 is: 5,848.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,690.29 : 17,536.33 = 3,899.11 : x
  2. Step 2: Convert to fraction form
    11,690.29/17,536.33 = 3,899.11/x
  3. Step 3: Cross multiply
    11,690.29x = 17,536.33 × 3,899.11
  4. Step 4: Simplify right side
    11,690.29x = 68,376,060.17
  5. Step 5: Solve for x
    x = 68,376,060.17/11,690.29
  6. Step 6: Final answer
    x = 5,848.96

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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.