Home / 18,021.05-27,031.49-4,873.41

Finding the Fourth Proportional to 18,021.05, 27,031.49 and 4,873.41

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Solution

The fourth proportional to 18,021.05, 27,031.49 and 4,873.41 is: 7,310.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,021.05 : 27,031.49 = 4,873.41 : x
  2. Step 2: Convert to fraction form
    18,021.05/27,031.49 = 4,873.41/x
  3. Step 3: Cross multiply
    18,021.05x = 27,031.49 × 4,873.41
  4. Step 4: Simplify right side
    18,021.05x = 131,735,509.31
  5. Step 5: Solve for x
    x = 131,735,509.31/18,021.05
  6. Step 6: Final answer
    x = 7,310.09

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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.