Home / 12,450.34-17,181.48-6,861.34

Finding the Fourth Proportional to 12,450.34, 17,181.48 and 6,861.34

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Solution

The fourth proportional to 12,450.34, 17,181.48 and 6,861.34 is: 9,468.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450.34 : 17,181.48 = 6,861.34 : x
  2. Step 2: Convert to fraction form
    12,450.34/17,181.48 = 6,861.34/x
  3. Step 3: Cross multiply
    12,450.34x = 17,181.48 × 6,861.34
  4. Step 4: Simplify right side
    12,450.34x = 117,887,975.98
  5. Step 5: Solve for x
    x = 117,887,975.98/12,450.34
  6. Step 6: Final answer
    x = 9,468.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.