Home / 13,020.21-19,524.45-4,133.03

Finding the Fourth Proportional to 13,020.21, 19,524.45 and 4,133.03

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Solution

The fourth proportional to 13,020.21, 19,524.45 and 4,133.03 is: 6,197.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,020.21 : 19,524.45 = 4,133.03 : x
  2. Step 2: Convert to fraction form
    13,020.21/19,524.45 = 4,133.03/x
  3. Step 3: Cross multiply
    13,020.21x = 19,524.45 × 4,133.03
  4. Step 4: Simplify right side
    13,020.21x = 80,695,039.96
  5. Step 5: Solve for x
    x = 80,695,039.96/13,020.21
  6. Step 6: Final answer
    x = 6,197.68

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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.