Home / 20,021.36-30,032.04-6,170

Finding the Fourth Proportional to 20,021.36, 30,032.04 and 6,170

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Solution

The fourth proportional to 20,021.36, 30,032.04 and 6,170 is: 9,255

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,021.36 : 30,032.04 = 6,170 : x
  2. Step 2: Convert to fraction form
    20,021.36/30,032.04 = 6,170/x
  3. Step 3: Cross multiply
    20,021.36x = 30,032.04 × 6,170
  4. Step 4: Simplify right side
    20,021.36x = 185,297,686.80
  5. Step 5: Solve for x
    x = 185,297,686.80/20,021.36
  6. Step 6: Final answer
    x = 9,255

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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.