Home / 12,019.46-18,021.38-5,004.27

Finding the Fourth Proportional to 12,019.46, 18,021.38 and 5,004.27

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Solution

The fourth proportional to 12,019.46, 18,021.38 and 5,004.27 is: 7,503.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,019.46 : 18,021.38 = 5,004.27 : x
  2. Step 2: Convert to fraction form
    12,019.46/18,021.38 = 5,004.27/x
  3. Step 3: Cross multiply
    12,019.46x = 18,021.38 × 5,004.27
  4. Step 4: Simplify right side
    12,019.46x = 90,183,826.27
  5. Step 5: Solve for x
    x = 90,183,826.27/12,019.46
  6. Step 6: Final answer
    x = 7,503.15

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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.