Home / 19,379.25-29,069.10-6,231.60

Finding the Fourth Proportional to 19,379.25, 29,069.10 and 6,231.60

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Solution

The fourth proportional to 19,379.25, 29,069.10 and 6,231.60 is: 9,347.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,379.25 : 29,069.10 = 6,231.60 : x
  2. Step 2: Convert to fraction form
    19,379.25/29,069.10 = 6,231.60/x
  3. Step 3: Cross multiply
    19,379.25x = 29,069.10 × 6,231.60
  4. Step 4: Simplify right side
    19,379.25x = 181,147,003.56
  5. Step 5: Solve for x
    x = 181,147,003.56/19,379.25
  6. Step 6: Final answer
    x = 9,347.47

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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.