Home / 11,621.89-17,430.21-3,301.73

Finding the Fourth Proportional to 11,621.89, 17,430.21 and 3,301.73

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Solution

The fourth proportional to 11,621.89, 17,430.21 and 3,301.73 is: 4,951.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.89 : 17,430.21 = 3,301.73 : x
  2. Step 2: Convert to fraction form
    11,621.89/17,430.21 = 3,301.73/x
  3. Step 3: Cross multiply
    11,621.89x = 17,430.21 × 3,301.73
  4. Step 4: Simplify right side
    11,621.89x = 57,549,847.26
  5. Step 5: Solve for x
    x = 57,549,847.26/11,621.89
  6. Step 6: Final answer
    x = 4,951.85

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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.