Home / 18,653.37-27,989.77-8,262.69

Finding the Fourth Proportional to 18,653.37, 27,989.77 and 8,262.69

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Solution

The fourth proportional to 18,653.37, 27,989.77 and 8,262.69 is: 12,398.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,653.37 : 27,989.77 = 8,262.69 : x
  2. Step 2: Convert to fraction form
    18,653.37/27,989.77 = 8,262.69/x
  3. Step 3: Cross multiply
    18,653.37x = 27,989.77 × 8,262.69
  4. Step 4: Simplify right side
    18,653.37x = 231,270,792.68
  5. Step 5: Solve for x
    x = 231,270,792.68/18,653.37
  6. Step 6: Final answer
    x = 12,398.34

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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.