Home / 12,450.06-17,180.97-6,861.06

Finding the Fourth Proportional to 12,450.06, 17,180.97 and 6,861.06

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Solution

The fourth proportional to 12,450.06, 17,180.97 and 6,861.06 is: 9,468.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450.06 : 17,180.97 = 6,861.06 : x
  2. Step 2: Convert to fraction form
    12,450.06/17,180.97 = 6,861.06/x
  3. Step 3: Cross multiply
    12,450.06x = 17,180.97 × 6,861.06
  4. Step 4: Simplify right side
    12,450.06x = 117,879,666.03
  5. Step 5: Solve for x
    x = 117,879,666.03/12,450.06
  6. Step 6: Final answer
    x = 9,468.20

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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.