Home / 11,418.00-17,128.37-4,020.93

Finding the Fourth Proportional to 11,418.00, 17,128.37 and 4,020.93

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Solution

The fourth proportional to 11,418.00, 17,128.37 and 4,020.93 is: 6,031.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418.00 : 17,128.37 = 4,020.93 : x
  2. Step 2: Convert to fraction form
    11,418.00/17,128.37 = 4,020.93/x
  3. Step 3: Cross multiply
    11,418.00x = 17,128.37 × 4,020.93
  4. Step 4: Simplify right side
    11,418.00x = 68,871,871.04
  5. Step 5: Solve for x
    x = 68,871,871.04/11,418.00
  6. Step 6: Final answer
    x = 6,031.87

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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.