Home / 11,418.95-17,130.54-4,028.11

Finding the Fourth Proportional to 11,418.95, 17,130.54 and 4,028.11

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Solution

The fourth proportional to 11,418.95, 17,130.54 and 4,028.11 is: 6,042.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418.95 : 17,130.54 = 4,028.11 : x
  2. Step 2: Convert to fraction form
    11,418.95/17,130.54 = 4,028.11/x
  3. Step 3: Cross multiply
    11,418.95x = 17,130.54 × 4,028.11
  4. Step 4: Simplify right side
    11,418.95x = 69,003,613.83
  5. Step 5: Solve for x
    x = 69,003,613.83/11,418.95
  6. Step 6: Final answer
    x = 6,042.90

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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.