Home / 18,250.34-27,340.00-11,991.34

Finding the Fourth Proportional to 18,250.34, 27,340.00 and 11,991.34

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Solution

The fourth proportional to 18,250.34, 27,340.00 and 11,991.34 is: 17,963.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,250.34 : 27,340.00 = 11,991.34 : x
  2. Step 2: Convert to fraction form
    18,250.34/27,340.00 = 11,991.34/x
  3. Step 3: Cross multiply
    18,250.34x = 27,340.00 × 11,991.34
  4. Step 4: Simplify right side
    18,250.34x = 327,843,128.88
  5. Step 5: Solve for x
    x = 327,843,128.88/18,250.34
  6. Step 6: Final answer
    x = 17,963.67

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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.