Home / 19,968.82-29,971.62-10,114.96

Finding the Fourth Proportional to 19,968.82, 29,971.62 and 10,114.96

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Solution

The fourth proportional to 19,968.82, 29,971.62 and 10,114.96 is: 15,181.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968.82 : 29,971.62 = 10,114.96 : x
  2. Step 2: Convert to fraction form
    19,968.82/29,971.62 = 10,114.96/x
  3. Step 3: Cross multiply
    19,968.82x = 29,971.62 × 10,114.96
  4. Step 4: Simplify right side
    19,968.82x = 303,161,737.44
  5. Step 5: Solve for x
    x = 303,161,737.44/19,968.82
  6. Step 6: Final answer
    x = 15,181.76

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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.