Home / 13,365.52-20,051.48-4,131.52

Finding the Fourth Proportional to 13,365.52, 20,051.48 and 4,131.52

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Solution

The fourth proportional to 13,365.52, 20,051.48 and 4,131.52 is: 6,198.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365.52 : 20,051.48 = 4,131.52 : x
  2. Step 2: Convert to fraction form
    13,365.52/20,051.48 = 4,131.52/x
  3. Step 3: Cross multiply
    13,365.52x = 20,051.48 × 4,131.52
  4. Step 4: Simplify right side
    13,365.52x = 82,843,090.65
  5. Step 5: Solve for x
    x = 82,843,090.65/13,365.52
  6. Step 6: Final answer
    x = 6,198.27

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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.