Home / 20,289.04-27,994.07-11,786.11

Finding the Fourth Proportional to 20,289.04, 27,994.07 and 11,786.11

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Solution

The fourth proportional to 20,289.04, 27,994.07 and 11,786.11 is: 16,262.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,289.04 : 27,994.07 = 11,786.11 : x
  2. Step 2: Convert to fraction form
    20,289.04/27,994.07 = 11,786.11/x
  3. Step 3: Cross multiply
    20,289.04x = 27,994.07 × 11,786.11
  4. Step 4: Simplify right side
    20,289.04x = 329,941,147.85
  5. Step 5: Solve for x
    x = 329,941,147.85/20,289.04
  6. Step 6: Final answer
    x = 16,262.04

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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.