Home / 12,450.30-17,181.37-6,861.30

Finding the Fourth Proportional to 12,450.30, 17,181.37 and 6,861.30

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Solution

The fourth proportional to 12,450.30, 17,181.37 and 6,861.30 is: 9,468.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450.30 : 17,181.37 = 6,861.30 : x
  2. Step 2: Convert to fraction form
    12,450.30/17,181.37 = 6,861.30/x
  3. Step 3: Cross multiply
    12,450.30x = 17,181.37 × 6,861.30
  4. Step 4: Simplify right side
    12,450.30x = 117,886,533.98
  5. Step 5: Solve for x
    x = 117,886,533.98/12,450.30
  6. Step 6: Final answer
    x = 9,468.57

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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.