Home / 19,786.26-29,679.41-9,268.09

Finding the Fourth Proportional to 19,786.26, 29,679.41 and 9,268.09

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Solution

The fourth proportional to 19,786.26, 29,679.41 and 9,268.09 is: 13,902.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786.26 : 29,679.41 = 9,268.09 : x
  2. Step 2: Convert to fraction form
    19,786.26/29,679.41 = 9,268.09/x
  3. Step 3: Cross multiply
    19,786.26x = 29,679.41 × 9,268.09
  4. Step 4: Simplify right side
    19,786.26x = 275,071,443.03
  5. Step 5: Solve for x
    x = 275,071,443.03/19,786.26
  6. Step 6: Final answer
    x = 13,902.14

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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.