Home / 8,156.63-12,234.89-2,313.24

Finding the Fourth Proportional to 8,156.63, 12,234.89 and 2,313.24

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Solution

The fourth proportional to 8,156.63, 12,234.89 and 2,313.24 is: 3,469.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.63 : 12,234.89 = 2,313.24 : x
  2. Step 2: Convert to fraction form
    8,156.63/12,234.89 = 2,313.24/x
  3. Step 3: Cross multiply
    8,156.63x = 12,234.89 × 2,313.24
  4. Step 4: Simplify right side
    8,156.63x = 28,302,190.34
  5. Step 5: Solve for x
    x = 28,302,190.34/8,156.63
  6. Step 6: Final answer
    x = 3,469.84

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Half scale
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Double scale
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Similar ratio
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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.