Home / 19,611.30-29,418.48-11,767.26

Finding the Fourth Proportional to 19,611.30, 29,418.48 and 11,767.26

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Solution

The fourth proportional to 19,611.30, 29,418.48 and 11,767.26 is: 17,651.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,611.30 : 29,418.48 = 11,767.26 : x
  2. Step 2: Convert to fraction form
    19,611.30/29,418.48 = 11,767.26/x
  3. Step 3: Cross multiply
    19,611.30x = 29,418.48 × 11,767.26
  4. Step 4: Simplify right side
    19,611.30x = 346,174,902.96
  5. Step 5: Solve for x
    x = 346,174,902.96/19,611.30
  6. Step 6: Final answer
    x = 17,651.81

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1.5x scale

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.