Home / 38,843.93-58,268.34-12,190.97

Finding the Fourth Proportional to 38,843.93, 58,268.34 and 12,190.97

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Solution

The fourth proportional to 38,843.93, 58,268.34 and 12,190.97 is: 18,287.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,843.93 : 58,268.34 = 12,190.97 : x
  2. Step 2: Convert to fraction form
    38,843.93/58,268.34 = 12,190.97/x
  3. Step 3: Cross multiply
    38,843.93x = 58,268.34 × 12,190.97
  4. Step 4: Simplify right side
    38,843.93x = 710,347,293.55
  5. Step 5: Solve for x
    x = 710,347,293.55/38,843.93
  6. Step 6: Final answer
    x = 18,287.22

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1.5x scale

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.