Home / 22,147.53-30,571.00-13,197.84

Finding the Fourth Proportional to 22,147.53, 30,571.00 and 13,197.84

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Solution

The fourth proportional to 22,147.53, 30,571.00 and 13,197.84 is: 18,217.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,147.53 : 30,571.00 = 13,197.84 : x
  2. Step 2: Convert to fraction form
    22,147.53/30,571.00 = 13,197.84/x
  3. Step 3: Cross multiply
    22,147.53x = 30,571.00 × 13,197.84
  4. Step 4: Simplify right side
    22,147.53x = 403,471,133.65
  5. Step 5: Solve for x
    x = 403,471,133.65/22,147.53
  6. Step 6: Final answer
    x = 18,217.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.