Home / 18,052.07-27,078.10-6,958.51

Finding the Fourth Proportional to 18,052.07, 27,078.10 and 6,958.51

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Solution

The fourth proportional to 18,052.07, 27,078.10 and 6,958.51 is: 10,437.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,052.07 : 27,078.10 = 6,958.51 : x
  2. Step 2: Convert to fraction form
    18,052.07/27,078.10 = 6,958.51/x
  3. Step 3: Cross multiply
    18,052.07x = 27,078.10 × 6,958.51
  4. Step 4: Simplify right side
    18,052.07x = 188,423,144.54
  5. Step 5: Solve for x
    x = 188,423,144.54/18,052.07
  6. Step 6: Final answer
    x = 10,437.76

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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.