Home / 20,202.36-30,306.24-7,051.56

Finding the Fourth Proportional to 20,202.36, 30,306.24 and 7,051.56

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Solution

The fourth proportional to 20,202.36, 30,306.24 and 7,051.56 is: 10,578.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,202.36 : 30,306.24 = 7,051.56 : x
  2. Step 2: Convert to fraction form
    20,202.36/30,306.24 = 7,051.56/x
  3. Step 3: Cross multiply
    20,202.36x = 30,306.24 × 7,051.56
  4. Step 4: Simplify right side
    20,202.36x = 213,706,269.73
  5. Step 5: Solve for x
    x = 213,706,269.73/20,202.36
  6. Step 6: Final answer
    x = 10,578.28

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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.