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Finding the Fourth Proportional to 13,274, 19,911 and 4,040

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Solution

The fourth proportional to 13,274, 19,911 and 4,040 is: 6,060

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,274 : 19,911 = 4,040 : x
  2. Step 2: Convert to fraction form
    13,274/19,911 = 4,040/x
  3. Step 3: Cross multiply
    13,274x = 19,911 × 4,040
  4. Step 4: Simplify right side
    13,274x = 80,440,440
  5. Step 5: Solve for x
    x = 80,440,440/13,274
  6. Step 6: Final answer
    x = 6,060

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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.