Home / 12,209.46-18,297.96-4,410.78

Finding the Fourth Proportional to 12,209.46, 18,297.96 and 4,410.78

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Solution

The fourth proportional to 12,209.46, 18,297.96 and 4,410.78 is: 6,610.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,209.46 : 18,297.96 = 4,410.78 : x
  2. Step 2: Convert to fraction form
    12,209.46/18,297.96 = 4,410.78/x
  3. Step 3: Cross multiply
    12,209.46x = 18,297.96 × 4,410.78
  4. Step 4: Simplify right side
    12,209.46x = 80,708,276.01
  5. Step 5: Solve for x
    x = 80,708,276.01/12,209.46
  6. Step 6: Final answer
    x = 6,610.31

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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.