Home / 19,293.21-28,945.30-6,146.60

Finding the Fourth Proportional to 19,293.21, 28,945.30 and 6,146.60

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Solution

The fourth proportional to 19,293.21, 28,945.30 and 6,146.60 is: 9,221.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,293.21 : 28,945.30 = 6,146.60 : x
  2. Step 2: Convert to fraction form
    19,293.21/28,945.30 = 6,146.60/x
  3. Step 3: Cross multiply
    19,293.21x = 28,945.30 × 6,146.60
  4. Step 4: Simplify right side
    19,293.21x = 177,915,180.98
  5. Step 5: Solve for x
    x = 177,915,180.98/19,293.21
  6. Step 6: Final answer
    x = 9,221.65

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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.