Home / 19,822.30-29,744.21-11,508.29

Finding the Fourth Proportional to 19,822.30, 29,744.21 and 11,508.29

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Solution

The fourth proportional to 19,822.30, 29,744.21 and 11,508.29 is: 17,268.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,822.30 : 29,744.21 = 11,508.29 : x
  2. Step 2: Convert to fraction form
    19,822.30/29,744.21 = 11,508.29/x
  3. Step 3: Cross multiply
    19,822.30x = 29,744.21 × 11,508.29
  4. Step 4: Simplify right side
    19,822.30x = 342,304,986.09
  5. Step 5: Solve for x
    x = 342,304,986.09/19,822.30
  6. Step 6: Final answer
    x = 17,268.68

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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.