Home / 20,282.05-30,408.49-9,183.02

Finding the Fourth Proportional to 20,282.05, 30,408.49 and 9,183.02

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Solution

The fourth proportional to 20,282.05, 30,408.49 and 9,183.02 is: 13,767.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,282.05 : 30,408.49 = 9,183.02 : x
  2. Step 2: Convert to fraction form
    20,282.05/30,408.49 = 9,183.02/x
  3. Step 3: Cross multiply
    20,282.05x = 30,408.49 × 9,183.02
  4. Step 4: Simplify right side
    20,282.05x = 279,241,776.50
  5. Step 5: Solve for x
    x = 279,241,776.50/20,282.05
  6. Step 6: Final answer
    x = 13,767.93

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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.