Home / 20,185.26-30,277.54-9,084.09

Finding the Fourth Proportional to 20,185.26, 30,277.54 and 9,084.09

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Solution

The fourth proportional to 20,185.26, 30,277.54 and 9,084.09 is: 13,625.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185.26 : 30,277.54 = 9,084.09 : x
  2. Step 2: Convert to fraction form
    20,185.26/30,277.54 = 9,084.09/x
  3. Step 3: Cross multiply
    20,185.26x = 30,277.54 × 9,084.09
  4. Step 4: Simplify right side
    20,185.26x = 275,043,898.34
  5. Step 5: Solve for x
    x = 275,043,898.34/20,185.26
  6. Step 6: Final answer
    x = 13,625.98

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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.