Home / 20,197.18-30,297.39-7,049.26

Finding the Fourth Proportional to 20,197.18, 30,297.39 and 7,049.26

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Solution

The fourth proportional to 20,197.18, 30,297.39 and 7,049.26 is: 10,574.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,197.18 : 30,297.39 = 7,049.26 : x
  2. Step 2: Convert to fraction form
    20,197.18/30,297.39 = 7,049.26/x
  3. Step 3: Cross multiply
    20,197.18x = 30,297.39 × 7,049.26
  4. Step 4: Simplify right side
    20,197.18x = 213,574,179.43
  5. Step 5: Solve for x
    x = 213,574,179.43/20,197.18
  6. Step 6: Final answer
    x = 10,574.46

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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.