Home / 17,859.86-26,793.54-5,380.80

Finding the Fourth Proportional to 17,859.86, 26,793.54 and 5,380.80

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Solution

The fourth proportional to 17,859.86, 26,793.54 and 5,380.80 is: 8,072.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,859.86 : 26,793.54 = 5,380.80 : x
  2. Step 2: Convert to fraction form
    17,859.86/26,793.54 = 5,380.80/x
  3. Step 3: Cross multiply
    17,859.86x = 26,793.54 × 5,380.80
  4. Step 4: Simplify right side
    17,859.86x = 144,170,680.03
  5. Step 5: Solve for x
    x = 144,170,680.03/17,859.86
  6. Step 6: Final answer
    x = 8,072.33

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1.5x scale

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.