Home / 10,194.57-15,293.38-3,620.21

Finding the Fourth Proportional to 10,194.57, 15,293.38 and 3,620.21

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Solution

The fourth proportional to 10,194.57, 15,293.38 and 3,620.21 is: 5,430.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,194.57 : 15,293.38 = 3,620.21 : x
  2. Step 2: Convert to fraction form
    10,194.57/15,293.38 = 3,620.21/x
  3. Step 3: Cross multiply
    10,194.57x = 15,293.38 × 3,620.21
  4. Step 4: Simplify right side
    10,194.57x = 55,365,247.21
  5. Step 5: Solve for x
    x = 55,365,247.21/10,194.57
  6. Step 6: Final answer
    x = 5,430.86

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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.