Home / 13,782.24-20,672.23-4,419.73

Finding the Fourth Proportional to 13,782.24, 20,672.23 and 4,419.73

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Solution

The fourth proportional to 13,782.24, 20,672.23 and 4,419.73 is: 6,629.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,782.24 : 20,672.23 = 4,419.73 : x
  2. Step 2: Convert to fraction form
    13,782.24/20,672.23 = 4,419.73/x
  3. Step 3: Cross multiply
    13,782.24x = 20,672.23 × 4,419.73
  4. Step 4: Simplify right side
    13,782.24x = 91,365,675.10
  5. Step 5: Solve for x
    x = 91,365,675.10/13,782.24
  6. Step 6: Final answer
    x = 6,629.23

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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.