Home / 14,410.60-19,884.42-8,121.64

Finding the Fourth Proportional to 14,410.60, 19,884.42 and 8,121.64

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Solution

The fourth proportional to 14,410.60, 19,884.42 and 8,121.64 is: 11,206.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,410.60 : 19,884.42 = 8,121.64 : x
  2. Step 2: Convert to fraction form
    14,410.60/19,884.42 = 8,121.64/x
  3. Step 3: Cross multiply
    14,410.60x = 19,884.42 × 8,121.64
  4. Step 4: Simplify right side
    14,410.60x = 161,494,100.85
  5. Step 5: Solve for x
    x = 161,494,100.85/14,410.60
  6. Step 6: Final answer
    x = 11,206.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.