Home / 11,918.30-17,873.49-4,018.68

Finding the Fourth Proportional to 11,918.30, 17,873.49 and 4,018.68

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Solution

The fourth proportional to 11,918.30, 17,873.49 and 4,018.68 is: 6,026.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,918.30 : 17,873.49 = 4,018.68 : x
  2. Step 2: Convert to fraction form
    11,918.30/17,873.49 = 4,018.68/x
  3. Step 3: Cross multiply
    11,918.30x = 17,873.49 × 4,018.68
  4. Step 4: Simplify right side
    11,918.30x = 71,827,836.79
  5. Step 5: Solve for x
    x = 71,827,836.79/11,918.30
  6. Step 6: Final answer
    x = 6,026.69

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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.