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Finding the Fourth Proportional to 12,449.58, 17,180.20 and 6,784.37

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Solution

The fourth proportional to 12,449.58, 17,180.20 and 6,784.37 is: 9,362.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,449.58 : 17,180.20 = 6,784.37 : x
  2. Step 2: Convert to fraction form
    12,449.58/17,180.20 = 6,784.37/x
  3. Step 3: Cross multiply
    12,449.58x = 17,180.20 × 6,784.37
  4. Step 4: Simplify right side
    12,449.58x = 116,556,833.47
  5. Step 5: Solve for x
    x = 116,556,833.47/12,449.58
  6. Step 6: Final answer
    x = 9,362.31

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.