Home / 18,164.10-27,235.22-11,843.67

Finding the Fourth Proportional to 18,164.10, 27,235.22 and 11,843.67

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Solution

The fourth proportional to 18,164.10, 27,235.22 and 11,843.67 is: 17,758.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,164.10 : 27,235.22 = 11,843.67 : x
  2. Step 2: Convert to fraction form
    18,164.10/27,235.22 = 11,843.67/x
  3. Step 3: Cross multiply
    18,164.10x = 27,235.22 × 11,843.67
  4. Step 4: Simplify right side
    18,164.10x = 322,564,898.84
  5. Step 5: Solve for x
    x = 322,564,898.84/18,164.10
  6. Step 6: Final answer
    x = 17,758.37

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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.