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Finding the Fourth Proportional to 13,004.99, 17,941.00 and 8,286.34

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Solution

The fourth proportional to 13,004.99, 17,941.00 and 8,286.34 is: 11,431.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,004.99 : 17,941.00 = 8,286.34 : x
  2. Step 2: Convert to fraction form
    13,004.99/17,941.00 = 8,286.34/x
  3. Step 3: Cross multiply
    13,004.99x = 17,941.00 × 8,286.34
  4. Step 4: Simplify right side
    13,004.99x = 148,665,094.80
  5. Step 5: Solve for x
    x = 148,665,094.80/13,004.99
  6. Step 6: Final answer
    x = 11,431.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.