Home / 19,391.44-26,760.54-10,778.42

Finding the Fourth Proportional to 19,391.44, 26,760.54 and 10,778.42

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Solution

The fourth proportional to 19,391.44, 26,760.54 and 10,778.42 is: 14,874.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,391.44 : 26,760.54 = 10,778.42 : x
  2. Step 2: Convert to fraction form
    19,391.44/26,760.54 = 10,778.42/x
  3. Step 3: Cross multiply
    19,391.44x = 26,760.54 × 10,778.42
  4. Step 4: Simplify right side
    19,391.44x = 288,436,470.10
  5. Step 5: Solve for x
    x = 288,436,470.10/19,391.44
  6. Step 6: Final answer
    x = 14,874.43

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1.5x scale

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.