Home / 13,477.44-20,217.20-4,118.24

Finding the Fourth Proportional to 13,477.44, 20,217.20 and 4,118.24

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Solution

The fourth proportional to 13,477.44, 20,217.20 and 4,118.24 is: 6,177.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,477.44 : 20,217.20 = 4,118.24 : x
  2. Step 2: Convert to fraction form
    13,477.44/20,217.20 = 4,118.24/x
  3. Step 3: Cross multiply
    13,477.44x = 20,217.20 × 4,118.24
  4. Step 4: Simplify right side
    13,477.44x = 83,259,281.73
  5. Step 5: Solve for x
    x = 83,259,281.73/13,477.44
  6. Step 6: Final answer
    x = 6,177.68

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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.