Home / 13,380.93-20,072.44-4,020.22

Finding the Fourth Proportional to 13,380.93, 20,072.44 and 4,020.22

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Solution

The fourth proportional to 13,380.93, 20,072.44 and 4,020.22 is: 6,030.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,380.93 : 20,072.44 = 4,020.22 : x
  2. Step 2: Convert to fraction form
    13,380.93/20,072.44 = 4,020.22/x
  3. Step 3: Cross multiply
    13,380.93x = 20,072.44 × 4,020.22
  4. Step 4: Simplify right side
    13,380.93x = 80,695,614.69
  5. Step 5: Solve for x
    x = 80,695,614.69/13,380.93
  6. Step 6: Final answer
    x = 6,030.64

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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.