Home / 20,021.04-30,030.48-6,874.20

Finding the Fourth Proportional to 20,021.04, 30,030.48 and 6,874.20

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Solution

The fourth proportional to 20,021.04, 30,030.48 and 6,874.20 is: 10,310.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,021.04 : 30,030.48 = 6,874.20 : x
  2. Step 2: Convert to fraction form
    20,021.04/30,030.48 = 6,874.20/x
  3. Step 3: Cross multiply
    20,021.04x = 30,030.48 × 6,874.20
  4. Step 4: Simplify right side
    20,021.04x = 206,435,525.62
  5. Step 5: Solve for x
    x = 206,435,525.62/20,021.04
  6. Step 6: Final answer
    x = 10,310.93

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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.