Home / 18,126.74-27,186.86-4,799.82

Finding the Fourth Proportional to 18,126.74, 27,186.86 and 4,799.82

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Solution

The fourth proportional to 18,126.74, 27,186.86 and 4,799.82 is: 7,198.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126.74 : 27,186.86 = 4,799.82 : x
  2. Step 2: Convert to fraction form
    18,126.74/27,186.86 = 4,799.82/x
  3. Step 3: Cross multiply
    18,126.74x = 27,186.86 × 4,799.82
  4. Step 4: Simplify right side
    18,126.74x = 130,492,034.37
  5. Step 5: Solve for x
    x = 130,492,034.37/18,126.74
  6. Step 6: Final answer
    x = 7,198.87

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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.