Home / 18,054.36-27,078.44-4,907.79

Finding the Fourth Proportional to 18,054.36, 27,078.44 and 4,907.79

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Solution

The fourth proportional to 18,054.36, 27,078.44 and 4,907.79 is: 7,360.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,054.36 : 27,078.44 = 4,907.79 : x
  2. Step 2: Convert to fraction form
    18,054.36/27,078.44 = 4,907.79/x
  3. Step 3: Cross multiply
    18,054.36x = 27,078.44 × 4,907.79
  4. Step 4: Simplify right side
    18,054.36x = 132,895,272.51
  5. Step 5: Solve for x
    x = 132,895,272.51/18,054.36
  6. Step 6: Final answer
    x = 7,360.84

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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.