Home / 18,653.24-27,989.58-8,262.56

Finding the Fourth Proportional to 18,653.24, 27,989.58 and 8,262.56

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Solution

The fourth proportional to 18,653.24, 27,989.58 and 8,262.56 is: 12,398.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,653.24 : 27,989.58 = 8,262.56 : x
  2. Step 2: Convert to fraction form
    18,653.24/27,989.58 = 8,262.56/x
  3. Step 3: Cross multiply
    18,653.24x = 27,989.58 × 8,262.56
  4. Step 4: Simplify right side
    18,653.24x = 231,265,685.08
  5. Step 5: Solve for x
    x = 231,265,685.08/18,653.24
  6. Step 6: Final answer
    x = 12,398.15

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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.