Home / 8,234.24-12,351.22-1,994.21

Finding the Fourth Proportional to 8,234.24, 12,351.22 and 1,994.21

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Solution

The fourth proportional to 8,234.24, 12,351.22 and 1,994.21 is: 2,991.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,234.24 : 12,351.22 = 1,994.21 : x
  2. Step 2: Convert to fraction form
    8,234.24/12,351.22 = 1,994.21/x
  3. Step 3: Cross multiply
    8,234.24x = 12,351.22 × 1,994.21
  4. Step 4: Simplify right side
    8,234.24x = 24,630,854.71
  5. Step 5: Solve for x
    x = 24,630,854.71/8,234.24
  6. Step 6: Final answer
    x = 2,991.27

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Double scale
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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.