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Finding the Fourth Proportional to 12,504, 18,741.39 and 6,954.72

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Solution

The fourth proportional to 12,504, 18,741.39 and 6,954.72 is: 10,423.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504 : 18,741.39 = 6,954.72 : x
  2. Step 2: Convert to fraction form
    12,504/18,741.39 = 6,954.72/x
  3. Step 3: Cross multiply
    12,504x = 18,741.39 × 6,954.72
  4. Step 4: Simplify right side
    12,504x = 130,341,119.86
  5. Step 5: Solve for x
    x = 130,341,119.86/12,504
  6. Step 6: Final answer
    x = 10,423.95

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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.