Home / 20,284.24-30,436.28-11,394

Finding the Fourth Proportional to 20,284.24, 30,436.28 and 11,394

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Solution

The fourth proportional to 20,284.24, 30,436.28 and 11,394 is: 17,096.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,284.24 : 30,436.28 = 11,394 : x
  2. Step 2: Convert to fraction form
    20,284.24/30,436.28 = 11,394/x
  3. Step 3: Cross multiply
    20,284.24x = 30,436.28 × 11,394
  4. Step 4: Simplify right side
    20,284.24x = 346,790,974.32
  5. Step 5: Solve for x
    x = 346,790,974.32/20,284.24
  6. Step 6: Final answer
    x = 17,096.57

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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.