Home / 20,219.23-30,338.24-7,735.13

Finding the Fourth Proportional to 20,219.23, 30,338.24 and 7,735.13

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Solution

The fourth proportional to 20,219.23, 30,338.24 and 7,735.13 is: 11,606.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219.23 : 30,338.24 = 7,735.13 : x
  2. Step 2: Convert to fraction form
    20,219.23/30,338.24 = 7,735.13/x
  3. Step 3: Cross multiply
    20,219.23x = 30,338.24 × 7,735.13
  4. Step 4: Simplify right side
    20,219.23x = 234,670,230.37
  5. Step 5: Solve for x
    x = 234,670,230.37/20,219.23
  6. Step 6: Final answer
    x = 11,606.29

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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.