Home / 19,414.86-26,785.49-12,704.31

Finding the Fourth Proportional to 19,414.86, 26,785.49 and 12,704.31

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Solution

The fourth proportional to 19,414.86, 26,785.49 and 12,704.31 is: 17,527.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,414.86 : 26,785.49 = 12,704.31 : x
  2. Step 2: Convert to fraction form
    19,414.86/26,785.49 = 12,704.31/x
  3. Step 3: Cross multiply
    19,414.86x = 26,785.49 × 12,704.31
  4. Step 4: Simplify right side
    19,414.86x = 340,291,104.94
  5. Step 5: Solve for x
    x = 340,291,104.94/19,414.86
  6. Step 6: Final answer
    x = 17,527.36

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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.