Home / 19,933.85-29,912.55-7,282.49

Finding the Fourth Proportional to 19,933.85, 29,912.55 and 7,282.49

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Solution

The fourth proportional to 19,933.85, 29,912.55 and 7,282.49 is: 10,928.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933.85 : 29,912.55 = 7,282.49 : x
  2. Step 2: Convert to fraction form
    19,933.85/29,912.55 = 7,282.49/x
  3. Step 3: Cross multiply
    19,933.85x = 29,912.55 × 7,282.49
  4. Step 4: Simplify right side
    19,933.85x = 217,837,745.81
  5. Step 5: Solve for x
    x = 217,837,745.81/19,933.85
  6. Step 6: Final answer
    x = 10,928.03

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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.