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Finding the Fourth Proportional to 14,277.52, 21,393.24 and 8,794

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Solution

The fourth proportional to 14,277.52, 21,393.24 and 8,794 is: 13,176.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,277.52 : 21,393.24 = 8,794 : x
  2. Step 2: Convert to fraction form
    14,277.52/21,393.24 = 8,794/x
  3. Step 3: Cross multiply
    14,277.52x = 21,393.24 × 8,794
  4. Step 4: Simplify right side
    14,277.52x = 188,132,152.56
  5. Step 5: Solve for x
    x = 188,132,152.56/14,277.52
  6. Step 6: Final answer
    x = 13,176.81

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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.