Home / 8,156.08-12,234.07-2,312.69

Finding the Fourth Proportional to 8,156.08, 12,234.07 and 2,312.69

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Solution

The fourth proportional to 8,156.08, 12,234.07 and 2,312.69 is: 3,469.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.08 : 12,234.07 = 2,312.69 : x
  2. Step 2: Convert to fraction form
    8,156.08/12,234.07 = 2,312.69/x
  3. Step 3: Cross multiply
    8,156.08x = 12,234.07 × 2,312.69
  4. Step 4: Simplify right side
    8,156.08x = 28,293,611.35
  5. Step 5: Solve for x
    x = 28,293,611.35/8,156.08
  6. Step 6: Final answer
    x = 3,469.02

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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.