Home / 19,961.80-29,921.62-7,473.60

Finding the Fourth Proportional to 19,961.80, 29,921.62 and 7,473.60

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Solution

The fourth proportional to 19,961.80, 29,921.62 and 7,473.60 is: 11,202.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961.80 : 29,921.62 = 7,473.60 : x
  2. Step 2: Convert to fraction form
    19,961.80/29,921.62 = 7,473.60/x
  3. Step 3: Cross multiply
    19,961.80x = 29,921.62 × 7,473.60
  4. Step 4: Simplify right side
    19,961.80x = 223,622,219.23
  5. Step 5: Solve for x
    x = 223,622,219.23/19,961.80
  6. Step 6: Final answer
    x = 11,202.51

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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.