Home / 17,857.13-26,790.92-7,994.21

Finding the Fourth Proportional to 17,857.13, 26,790.92 and 7,994.21

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Solution

The fourth proportional to 17,857.13, 26,790.92 and 7,994.21 is: 11,993.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,857.13 : 26,790.92 = 7,994.21 : x
  2. Step 2: Convert to fraction form
    17,857.13/26,790.92 = 7,994.21/x
  3. Step 3: Cross multiply
    17,857.13x = 26,790.92 × 7,994.21
  4. Step 4: Simplify right side
    17,857.13x = 214,172,066.65
  5. Step 5: Solve for x
    x = 214,172,066.65/17,857.13
  6. Step 6: Final answer
    x = 11,993.65

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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.