Home / 22,186.08-30,623.44-13,239.84

Finding the Fourth Proportional to 22,186.08, 30,623.44 and 13,239.84

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Solution

The fourth proportional to 22,186.08, 30,623.44 and 13,239.84 is: 18,274.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,186.08 : 30,623.44 = 13,239.84 : x
  2. Step 2: Convert to fraction form
    22,186.08/30,623.44 = 13,239.84/x
  3. Step 3: Cross multiply
    22,186.08x = 30,623.44 × 13,239.84
  4. Step 4: Simplify right side
    22,186.08x = 405,449,445.85
  5. Step 5: Solve for x
    x = 405,449,445.85/22,186.08
  6. Step 6: Final answer
    x = 18,274.95

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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.