Home / 12,190.35-18,273.29-8,296.59

Finding the Fourth Proportional to 12,190.35, 18,273.29 and 8,296.59

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Solution

The fourth proportional to 12,190.35, 18,273.29 and 8,296.59 is: 12,436.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,190.35 : 18,273.29 = 8,296.59 : x
  2. Step 2: Convert to fraction form
    12,190.35/18,273.29 = 8,296.59/x
  3. Step 3: Cross multiply
    12,190.35x = 18,273.29 × 8,296.59
  4. Step 4: Simplify right side
    12,190.35x = 151,605,953.60
  5. Step 5: Solve for x
    x = 151,605,953.60/12,190.35
  6. Step 6: Final answer
    x = 12,436.55

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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.