Home / 20,164.08-27,827.34-11,212.44

Finding the Fourth Proportional to 20,164.08, 27,827.34 and 11,212.44

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Solution

The fourth proportional to 20,164.08, 27,827.34 and 11,212.44 is: 15,473.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,164.08 : 27,827.34 = 11,212.44 : x
  2. Step 2: Convert to fraction form
    20,164.08/27,827.34 = 11,212.44/x
  3. Step 3: Cross multiply
    20,164.08x = 27,827.34 × 11,212.44
  4. Step 4: Simplify right side
    20,164.08x = 312,012,380.11
  5. Step 5: Solve for x
    x = 312,012,380.11/20,164.08
  6. Step 6: Final answer
    x = 15,473.67

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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.