Home / 12,450.32-17,181.44-6,861.32

Finding the Fourth Proportional to 12,450.32, 17,181.44 and 6,861.32

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Solution

The fourth proportional to 12,450.32, 17,181.44 and 6,861.32 is: 9,468.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450.32 : 17,181.44 = 6,861.32 : x
  2. Step 2: Convert to fraction form
    12,450.32/17,181.44 = 6,861.32/x
  3. Step 3: Cross multiply
    12,450.32x = 17,181.44 × 6,861.32
  4. Step 4: Simplify right side
    12,450.32x = 117,887,429.26
  5. Step 5: Solve for x
    x = 117,887,429.26/12,450.32
  6. Step 6: Final answer
    x = 9,468.62

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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.