Home / 8,234.20-12,376.20-6,265.90

Finding the Fourth Proportional to 8,234.20, 12,376.20 and 6,265.90

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Solution

The fourth proportional to 8,234.20, 12,376.20 and 6,265.90 is: 9,417.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,234.20 : 12,376.20 = 6,265.90 : x
  2. Step 2: Convert to fraction form
    8,234.20/12,376.20 = 6,265.90/x
  3. Step 3: Cross multiply
    8,234.20x = 12,376.20 × 6,265.90
  4. Step 4: Simplify right side
    8,234.20x = 77,548,031.58
  5. Step 5: Solve for x
    x = 77,548,031.58/8,234.20
  6. Step 6: Final answer
    x = 9,417.80

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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.