Home / 18,333.44-27,500.16-12,132.64

Finding the Fourth Proportional to 18,333.44, 27,500.16 and 12,132.64

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Solution

The fourth proportional to 18,333.44, 27,500.16 and 12,132.64 is: 18,198.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,333.44 : 27,500.16 = 12,132.64 : x
  2. Step 2: Convert to fraction form
    18,333.44/27,500.16 = 12,132.64/x
  3. Step 3: Cross multiply
    18,333.44x = 27,500.16 × 12,132.64
  4. Step 4: Simplify right side
    18,333.44x = 333,649,541.22
  5. Step 5: Solve for x
    x = 333,649,541.22/18,333.44
  6. Step 6: Final answer
    x = 18,198.96

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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.