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Finding the Fourth Proportional to 18,597.22, 27,889.57 and 6,748.53

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Solution

The fourth proportional to 18,597.22, 27,889.57 and 6,748.53 is: 10,120.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,597.22 : 27,889.57 = 6,748.53 : x
  2. Step 2: Convert to fraction form
    18,597.22/27,889.57 = 6,748.53/x
  3. Step 3: Cross multiply
    18,597.22x = 27,889.57 × 6,748.53
  4. Step 4: Simplify right side
    18,597.22x = 188,213,504.94
  5. Step 5: Solve for x
    x = 188,213,504.94/18,597.22
  6. Step 6: Final answer
    x = 10,120.52

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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.