Home / 11,990.52-17,986.98-3,670.44

Finding the Fourth Proportional to 11,990.52, 17,986.98 and 3,670.44

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Solution

The fourth proportional to 11,990.52, 17,986.98 and 3,670.44 is: 5,506.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,990.52 : 17,986.98 = 3,670.44 : x
  2. Step 2: Convert to fraction form
    11,990.52/17,986.98 = 3,670.44/x
  3. Step 3: Cross multiply
    11,990.52x = 17,986.98 × 3,670.44
  4. Step 4: Simplify right side
    11,990.52x = 66,020,130.87
  5. Step 5: Solve for x
    x = 66,020,130.87/11,990.52
  6. Step 6: Final answer
    x = 5,506.03

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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.