Home / 18,536.79-25,571.24-12,566.43

Finding the Fourth Proportional to 18,536.79, 25,571.24 and 12,566.43

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Solution

The fourth proportional to 18,536.79, 25,571.24 and 12,566.43 is: 17,335.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536.79 : 25,571.24 = 12,566.43 : x
  2. Step 2: Convert to fraction form
    18,536.79/25,571.24 = 12,566.43/x
  3. Step 3: Cross multiply
    18,536.79x = 25,571.24 × 12,566.43
  4. Step 4: Simplify right side
    18,536.79x = 321,339,134.64
  5. Step 5: Solve for x
    x = 321,339,134.64/18,536.79
  6. Step 6: Final answer
    x = 17,335.21

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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.