Home / 19,506.28-26,907.78-12,793

Finding the Fourth Proportional to 19,506.28, 26,907.78 and 12,793

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Solution

The fourth proportional to 19,506.28, 26,907.78 and 12,793 is: 17,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,506.28 : 26,907.78 = 12,793 : x
  2. Step 2: Convert to fraction form
    19,506.28/26,907.78 = 12,793/x
  3. Step 3: Cross multiply
    19,506.28x = 26,907.78 × 12,793
  4. Step 4: Simplify right side
    19,506.28x = 344,231,229.54
  5. Step 5: Solve for x
    x = 344,231,229.54/19,506.28
  6. Step 6: Final answer
    x = 17,647.20

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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.