Home / 18,077.04-27,090.94-11,491.42

Finding the Fourth Proportional to 18,077.04, 27,090.94 and 11,491.42

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Solution

The fourth proportional to 18,077.04, 27,090.94 and 11,491.42 is: 17,221.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,077.04 : 27,090.94 = 11,491.42 : x
  2. Step 2: Convert to fraction form
    18,077.04/27,090.94 = 11,491.42/x
  3. Step 3: Cross multiply
    18,077.04x = 27,090.94 × 11,491.42
  4. Step 4: Simplify right side
    18,077.04x = 311,313,369.73
  5. Step 5: Solve for x
    x = 311,313,369.73/18,077.04
  6. Step 6: Final answer
    x = 17,221.48

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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.