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Finding the Fourth Proportional to 13,008, 19,512 and 4,800

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Solution

The fourth proportional to 13,008, 19,512 and 4,800 is: 7,200

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008 : 19,512 = 4,800 : x
  2. Step 2: Convert to fraction form
    13,008/19,512 = 4,800/x
  3. Step 3: Cross multiply
    13,008x = 19,512 × 4,800
  4. Step 4: Simplify right side
    13,008x = 93,657,600
  5. Step 5: Solve for x
    x = 93,657,600/13,008
  6. Step 6: Final answer
    x = 7,200

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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.