Home / 20,202.21-30,317.15-7,054.53

Finding the Fourth Proportional to 20,202.21, 30,317.15 and 7,054.53

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Solution

The fourth proportional to 20,202.21, 30,317.15 and 7,054.53 is: 10,586.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,202.21 : 30,317.15 = 7,054.53 : x
  2. Step 2: Convert to fraction form
    20,202.21/30,317.15 = 7,054.53/x
  3. Step 3: Cross multiply
    20,202.21x = 30,317.15 × 7,054.53
  4. Step 4: Simplify right side
    20,202.21x = 213,873,148.14
  5. Step 5: Solve for x
    x = 213,873,148.14/20,202.21
  6. Step 6: Final answer
    x = 10,586.62

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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.