Home / 18,204.90-27,311.40-7,110.60

Finding the Fourth Proportional to 18,204.90, 27,311.40 and 7,110.60

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Solution

The fourth proportional to 18,204.90, 27,311.40 and 7,110.60 is: 10,667.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,204.90 : 27,311.40 = 7,110.60 : x
  2. Step 2: Convert to fraction form
    18,204.90/27,311.40 = 7,110.60/x
  3. Step 3: Cross multiply
    18,204.90x = 27,311.40 × 7,110.60
  4. Step 4: Simplify right side
    18,204.90x = 194,200,440.84
  5. Step 5: Solve for x
    x = 194,200,440.84/18,204.90
  6. Step 6: Final answer
    x = 10,667.48

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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.