Home / 19,517.42-26,933.10-11,020.52

Finding the Fourth Proportional to 19,517.42, 26,933.10 and 11,020.52

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Solution

The fourth proportional to 19,517.42, 26,933.10 and 11,020.52 is: 15,207.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,517.42 : 26,933.10 = 11,020.52 : x
  2. Step 2: Convert to fraction form
    19,517.42/26,933.10 = 11,020.52/x
  3. Step 3: Cross multiply
    19,517.42x = 26,933.10 × 11,020.52
  4. Step 4: Simplify right side
    19,517.42x = 296,816,767.21
  5. Step 5: Solve for x
    x = 296,816,767.21/19,517.42
  6. Step 6: Final answer
    x = 15,207.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.