Home / 17,851.72-26,786.46-7,998.04

Finding the Fourth Proportional to 17,851.72, 26,786.46 and 7,998.04

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Solution

The fourth proportional to 17,851.72, 26,786.46 and 7,998.04 is: 12,001.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,851.72 : 26,786.46 = 7,998.04 : x
  2. Step 2: Convert to fraction form
    17,851.72/26,786.46 = 7,998.04/x
  3. Step 3: Cross multiply
    17,851.72x = 26,786.46 × 7,998.04
  4. Step 4: Simplify right side
    17,851.72x = 214,239,178.54
  5. Step 5: Solve for x
    x = 214,239,178.54/17,851.72
  6. Step 6: Final answer
    x = 12,001.04

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1.5x scale

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.