Home / 13,644.80-20,467.20-4,410.56

Finding the Fourth Proportional to 13,644.80, 20,467.20 and 4,410.56

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Solution

The fourth proportional to 13,644.80, 20,467.20 and 4,410.56 is: 6,615.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,644.80 : 20,467.20 = 4,410.56 : x
  2. Step 2: Convert to fraction form
    13,644.80/20,467.20 = 4,410.56/x
  3. Step 3: Cross multiply
    13,644.80x = 20,467.20 × 4,410.56
  4. Step 4: Simplify right side
    13,644.80x = 90,271,813.63
  5. Step 5: Solve for x
    x = 90,271,813.63/13,644.80
  6. Step 6: Final answer
    x = 6,615.84

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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.