Home / 18,087.04-27,132.44-4,939.42

Finding the Fourth Proportional to 18,087.04, 27,132.44 and 4,939.42

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Solution

The fourth proportional to 18,087.04, 27,132.44 and 4,939.42 is: 7,409.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,087.04 : 27,132.44 = 4,939.42 : x
  2. Step 2: Convert to fraction form
    18,087.04/27,132.44 = 4,939.42/x
  3. Step 3: Cross multiply
    18,087.04x = 27,132.44 × 4,939.42
  4. Step 4: Simplify right side
    18,087.04x = 134,018,402.73
  5. Step 5: Solve for x
    x = 134,018,402.73/18,087.04
  6. Step 6: Final answer
    x = 7,409.64

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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.