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Finding the Fourth Proportional to 17,303.63, 25,957.26 and 7,942.05

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Solution

The fourth proportional to 17,303.63, 25,957.26 and 7,942.05 is: 11,913.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,303.63 : 25,957.26 = 7,942.05 : x
  2. Step 2: Convert to fraction form
    17,303.63/25,957.26 = 7,942.05/x
  3. Step 3: Cross multiply
    17,303.63x = 25,957.26 × 7,942.05
  4. Step 4: Simplify right side
    17,303.63x = 206,153,856.78
  5. Step 5: Solve for x
    x = 206,153,856.78/17,303.63
  6. Step 6: Final answer
    x = 11,913.91

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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.