Home / 11,918.44-17,875.30-4,020.16

Finding the Fourth Proportional to 11,918.44, 17,875.30 and 4,020.16

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Solution

The fourth proportional to 11,918.44, 17,875.30 and 4,020.16 is: 6,029.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,918.44 : 17,875.30 = 4,020.16 : x
  2. Step 2: Convert to fraction form
    11,918.44/17,875.30 = 4,020.16/x
  3. Step 3: Cross multiply
    11,918.44x = 17,875.30 × 4,020.16
  4. Step 4: Simplify right side
    11,918.44x = 71,861,566.05
  5. Step 5: Solve for x
    x = 71,861,566.05/11,918.44
  6. Step 6: Final answer
    x = 6,029.44

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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.