Home / 18,519.05-27,772.00-6,669.64

Finding the Fourth Proportional to 18,519.05, 27,772.00 and 6,669.64

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Solution

The fourth proportional to 18,519.05, 27,772.00 and 6,669.64 is: 10,002.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,519.05 : 27,772.00 = 6,669.64 : x
  2. Step 2: Convert to fraction form
    18,519.05/27,772.00 = 6,669.64/x
  3. Step 3: Cross multiply
    18,519.05x = 27,772.00 × 6,669.64
  4. Step 4: Simplify right side
    18,519.05x = 185,229,260.12
  5. Step 5: Solve for x
    x = 185,229,260.12/18,519.05
  6. Step 6: Final answer
    x = 10,002.09

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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.