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Finding the Fourth Proportional to 12,604, 18,901.98 and 4,168.94

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Solution

The fourth proportional to 12,604, 18,901.98 and 4,168.94 is: 6,252.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,604 : 18,901.98 = 4,168.94 : x
  2. Step 2: Convert to fraction form
    12,604/18,901.98 = 4,168.94/x
  3. Step 3: Cross multiply
    12,604x = 18,901.98 × 4,168.94
  4. Step 4: Simplify right side
    12,604x = 78,801,220.50
  5. Step 5: Solve for x
    x = 78,801,220.50/12,604
  6. Step 6: Final answer
    x = 6,252.08

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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.