Home / 8,219.34-12,317.94-6,841.44

Finding the Fourth Proportional to 8,219.34, 12,317.94 and 6,841.44

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Solution

The fourth proportional to 8,219.34, 12,317.94 and 6,841.44 is: 10,252.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219.34 : 12,317.94 = 6,841.44 : x
  2. Step 2: Convert to fraction form
    8,219.34/12,317.94 = 6,841.44/x
  3. Step 3: Cross multiply
    8,219.34x = 12,317.94 × 6,841.44
  4. Step 4: Simplify right side
    8,219.34x = 84,272,447.43
  5. Step 5: Solve for x
    x = 84,272,447.43/8,219.34
  6. Step 6: Final answer
    x = 10,252.95

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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.