Home / 11,690.72-17,525.04-3,894.06

Finding the Fourth Proportional to 11,690.72, 17,525.04 and 3,894.06

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Solution

The fourth proportional to 11,690.72, 17,525.04 and 3,894.06 is: 5,837.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,690.72 : 17,525.04 = 3,894.06 : x
  2. Step 2: Convert to fraction form
    11,690.72/17,525.04 = 3,894.06/x
  3. Step 3: Cross multiply
    11,690.72x = 17,525.04 × 3,894.06
  4. Step 4: Simplify right side
    11,690.72x = 68,243,557.26
  5. Step 5: Solve for x
    x = 68,243,557.26/11,690.72
  6. Step 6: Final answer
    x = 5,837.41

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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.