Home / 13,826.24-20,739.28-3,965.56

Finding the Fourth Proportional to 13,826.24, 20,739.28 and 3,965.56

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Solution

The fourth proportional to 13,826.24, 20,739.28 and 3,965.56 is: 5,948.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,826.24 : 20,739.28 = 3,965.56 : x
  2. Step 2: Convert to fraction form
    13,826.24/20,739.28 = 3,965.56/x
  3. Step 3: Cross multiply
    13,826.24x = 20,739.28 × 3,965.56
  4. Step 4: Simplify right side
    13,826.24x = 82,242,859.20
  5. Step 5: Solve for x
    x = 82,242,859.20/13,826.24
  6. Step 6: Final answer
    x = 5,948.32

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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.