Home / 11,918.66-17,865.51-4,018.44

Finding the Fourth Proportional to 11,918.66, 17,865.51 and 4,018.44

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Solution

The fourth proportional to 11,918.66, 17,865.51 and 4,018.44 is: 6,023.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,918.66 : 17,865.51 = 4,018.44 : x
  2. Step 2: Convert to fraction form
    11,918.66/17,865.51 = 4,018.44/x
  3. Step 3: Cross multiply
    11,918.66x = 17,865.51 × 4,018.44
  4. Step 4: Simplify right side
    11,918.66x = 71,791,480.00
  5. Step 5: Solve for x
    x = 71,791,480.00/11,918.66
  6. Step 6: Final answer
    x = 6,023.45

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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.