Home / 19,550.82-29,304.36-8,440.86

Finding the Fourth Proportional to 19,550.82, 29,304.36 and 8,440.86

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Solution

The fourth proportional to 19,550.82, 29,304.36 and 8,440.86 is: 12,651.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,550.82 : 29,304.36 = 8,440.86 : x
  2. Step 2: Convert to fraction form
    19,550.82/29,304.36 = 8,440.86/x
  3. Step 3: Cross multiply
    19,550.82x = 29,304.36 × 8,440.86
  4. Step 4: Simplify right side
    19,550.82x = 247,354,000.15
  5. Step 5: Solve for x
    x = 247,354,000.15/19,550.82
  6. Step 6: Final answer
    x = 12,651.85

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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.