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Finding the Fourth Proportional to 18,039, 27,034.74 and 7,637.88

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Solution

The fourth proportional to 18,039, 27,034.74 and 7,637.88 is: 11,446.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,039 : 27,034.74 = 7,637.88 : x
  2. Step 2: Convert to fraction form
    18,039/27,034.74 = 7,637.88/x
  3. Step 3: Cross multiply
    18,039x = 27,034.74 × 7,637.88
  4. Step 4: Simplify right side
    18,039x = 206,488,099.95
  5. Step 5: Solve for x
    x = 206,488,099.95/18,039
  6. Step 6: Final answer
    x = 11,446.76

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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.