Home / 11,739.02-17,608.23-3,947.84

Finding the Fourth Proportional to 11,739.02, 17,608.23 and 3,947.84

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Solution

The fourth proportional to 11,739.02, 17,608.23 and 3,947.84 is: 5,921.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,739.02 : 17,608.23 = 3,947.84 : x
  2. Step 2: Convert to fraction form
    11,739.02/17,608.23 = 3,947.84/x
  3. Step 3: Cross multiply
    11,739.02x = 17,608.23 × 3,947.84
  4. Step 4: Simplify right side
    11,739.02x = 69,514,474.72
  5. Step 5: Solve for x
    x = 69,514,474.72/11,739.02
  6. Step 6: Final answer
    x = 5,921.66

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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.