Home / 18,216.66-27,343.71-9,449.22

Finding the Fourth Proportional to 18,216.66, 27,343.71 and 9,449.22

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Solution

The fourth proportional to 18,216.66, 27,343.71 and 9,449.22 is: 14,183.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,216.66 : 27,343.71 = 9,449.22 : x
  2. Step 2: Convert to fraction form
    18,216.66/27,343.71 = 9,449.22/x
  3. Step 3: Cross multiply
    18,216.66x = 27,343.71 × 9,449.22
  4. Step 4: Simplify right side
    18,216.66x = 258,376,731.41
  5. Step 5: Solve for x
    x = 258,376,731.41/18,216.66
  6. Step 6: Final answer
    x = 14,183.54

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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.