Home / 18,370.49-27,536.21-11,685.95

Finding the Fourth Proportional to 18,370.49, 27,536.21 and 11,685.95

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Solution

The fourth proportional to 18,370.49, 27,536.21 and 11,685.95 is: 17,516.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,370.49 : 27,536.21 = 11,685.95 : x
  2. Step 2: Convert to fraction form
    18,370.49/27,536.21 = 11,685.95/x
  3. Step 3: Cross multiply
    18,370.49x = 27,536.21 × 11,685.95
  4. Step 4: Simplify right side
    18,370.49x = 321,786,871.30
  5. Step 5: Solve for x
    x = 321,786,871.30/18,370.49
  6. Step 6: Final answer
    x = 17,516.51

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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.