Home / 18,021.89-27,032.81-4,874.24

Finding the Fourth Proportional to 18,021.89, 27,032.81 and 4,874.24

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Solution

The fourth proportional to 18,021.89, 27,032.81 and 4,874.24 is: 7,311.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,021.89 : 27,032.81 = 4,874.24 : x
  2. Step 2: Convert to fraction form
    18,021.89/27,032.81 = 4,874.24/x
  3. Step 3: Cross multiply
    18,021.89x = 27,032.81 × 4,874.24
  4. Step 4: Simplify right side
    18,021.89x = 131,764,447.03
  5. Step 5: Solve for x
    x = 131,764,447.03/18,021.89
  6. Step 6: Final answer
    x = 7,311.35

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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.