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Finding the Fourth Proportional to 10,012.96, 15,018.90 and 5,082.46

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Solution

The fourth proportional to 10,012.96, 15,018.90 and 5,082.46 is: 7,623.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012.96 : 15,018.90 = 5,082.46 : x
  2. Step 2: Convert to fraction form
    10,012.96/15,018.90 = 5,082.46/x
  3. Step 3: Cross multiply
    10,012.96x = 15,018.90 × 5,082.46
  4. Step 4: Simplify right side
    10,012.96x = 76,332,958.49
  5. Step 5: Solve for x
    x = 76,332,958.49/10,012.96
  6. Step 6: Final answer
    x = 7,623.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.