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Finding the Fourth Proportional to 11,970.92, 17,953.92 and 4,573.72

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Solution

The fourth proportional to 11,970.92, 17,953.92 and 4,573.72 is: 6,859.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,970.92 : 17,953.92 = 4,573.72 : x
  2. Step 2: Convert to fraction form
    11,970.92/17,953.92 = 4,573.72/x
  3. Step 3: Cross multiply
    11,970.92x = 17,953.92 × 4,573.72
  4. Step 4: Simplify right side
    11,970.92x = 82,116,202.98
  5. Step 5: Solve for x
    x = 82,116,202.98/11,970.92
  6. Step 6: Final answer
    x = 6,859.64

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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.