Home / 17,142.30-23,628.15-11,475.09

Finding the Fourth Proportional to 17,142.30, 23,628.15 and 11,475.09

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Solution

The fourth proportional to 17,142.30, 23,628.15 and 11,475.09 is: 15,816.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,142.30 : 23,628.15 = 11,475.09 : x
  2. Step 2: Convert to fraction form
    17,142.30/23,628.15 = 11,475.09/x
  3. Step 3: Cross multiply
    17,142.30x = 23,628.15 × 11,475.09
  4. Step 4: Simplify right side
    17,142.30x = 271,135,147.78
  5. Step 5: Solve for x
    x = 271,135,147.78/17,142.30
  6. Step 6: Final answer
    x = 15,816.73

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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.