Home / 11,340.80-17,012.36-3,020.82

Finding the Fourth Proportional to 11,340.80, 17,012.36 and 3,020.82

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Solution

The fourth proportional to 11,340.80, 17,012.36 and 3,020.82 is: 4,531.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,340.80 : 17,012.36 = 3,020.82 : x
  2. Step 2: Convert to fraction form
    11,340.80/17,012.36 = 3,020.82/x
  3. Step 3: Cross multiply
    11,340.80x = 17,012.36 × 3,020.82
  4. Step 4: Simplify right side
    11,340.80x = 51,391,277.34
  5. Step 5: Solve for x
    x = 51,391,277.34/11,340.80
  6. Step 6: Final answer
    x = 4,531.54

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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.