Home / 17,424.75-26,140.37-8,190.75

Finding the Fourth Proportional to 17,424.75, 26,140.37 and 8,190.75

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Solution

The fourth proportional to 17,424.75, 26,140.37 and 8,190.75 is: 12,287.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,424.75 : 26,140.37 = 8,190.75 : x
  2. Step 2: Convert to fraction form
    17,424.75/26,140.37 = 8,190.75/x
  3. Step 3: Cross multiply
    17,424.75x = 26,140.37 × 8,190.75
  4. Step 4: Simplify right side
    17,424.75x = 214,109,194.62
  5. Step 5: Solve for x
    x = 214,109,194.62/17,424.75
  6. Step 6: Final answer
    x = 12,287.65

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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.