Home / 20,074.24-30,112.96-6,223.04

Finding the Fourth Proportional to 20,074.24, 30,112.96 and 6,223.04

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Solution

The fourth proportional to 20,074.24, 30,112.96 and 6,223.04 is: 9,335.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,074.24 : 30,112.96 = 6,223.04 : x
  2. Step 2: Convert to fraction form
    20,074.24/30,112.96 = 6,223.04/x
  3. Step 3: Cross multiply
    20,074.24x = 30,112.96 × 6,223.04
  4. Step 4: Simplify right side
    20,074.24x = 187,394,154.60
  5. Step 5: Solve for x
    x = 187,394,154.60/20,074.24
  6. Step 6: Final answer
    x = 9,335.06

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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.