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Finding the Fourth Proportional to 19,388, 29,082 and 4,796

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Solution

The fourth proportional to 19,388, 29,082 and 4,796 is: 7,194

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,388 : 29,082 = 4,796 : x
  2. Step 2: Convert to fraction form
    19,388/29,082 = 4,796/x
  3. Step 3: Cross multiply
    19,388x = 29,082 × 4,796
  4. Step 4: Simplify right side
    19,388x = 139,477,272
  5. Step 5: Solve for x
    x = 139,477,272/19,388
  6. Step 6: Final answer
    x = 7,194

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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.