Home / 11,418.06-17,128.20-3,098.18

Finding the Fourth Proportional to 11,418.06, 17,128.20 and 3,098.18

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Solution

The fourth proportional to 11,418.06, 17,128.20 and 3,098.18 is: 4,647.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418.06 : 17,128.20 = 3,098.18 : x
  2. Step 2: Convert to fraction form
    11,418.06/17,128.20 = 3,098.18/x
  3. Step 3: Cross multiply
    11,418.06x = 17,128.20 × 3,098.18
  4. Step 4: Simplify right side
    11,418.06x = 53,066,246.68
  5. Step 5: Solve for x
    x = 53,066,246.68/11,418.06
  6. Step 6: Final answer
    x = 4,647.57

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1.5x scale

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.