Home / 13,029.03-19,540.62-3,670.02

Finding the Fourth Proportional to 13,029.03, 19,540.62 and 3,670.02

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Solution

The fourth proportional to 13,029.03, 19,540.62 and 3,670.02 is: 5,504.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,029.03 : 19,540.62 = 3,670.02 : x
  2. Step 2: Convert to fraction form
    13,029.03/19,540.62 = 3,670.02/x
  3. Step 3: Cross multiply
    13,029.03x = 19,540.62 × 3,670.02
  4. Step 4: Simplify right side
    13,029.03x = 71,714,466.21
  5. Step 5: Solve for x
    x = 71,714,466.21/13,029.03
  6. Step 6: Final answer
    x = 5,504.21

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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.