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Finding the Fourth Proportional to 18,447.77, 27,668.07 and 8,450.34

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Solution

The fourth proportional to 18,447.77, 27,668.07 and 8,450.34 is: 12,673.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,447.77 : 27,668.07 = 8,450.34 : x
  2. Step 2: Convert to fraction form
    18,447.77/27,668.07 = 8,450.34/x
  3. Step 3: Cross multiply
    18,447.77x = 27,668.07 × 8,450.34
  4. Step 4: Simplify right side
    18,447.77x = 233,804,598.64
  5. Step 5: Solve for x
    x = 233,804,598.64/18,447.77
  6. Step 6: Final answer
    x = 12,673.87

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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.