Home / 11,884.96-17,817.72-4,485.21

Finding the Fourth Proportional to 11,884.96, 17,817.72 and 4,485.21

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Solution

The fourth proportional to 11,884.96, 17,817.72 and 4,485.21 is: 6,724.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,884.96 : 17,817.72 = 4,485.21 : x
  2. Step 2: Convert to fraction form
    11,884.96/17,817.72 = 4,485.21/x
  3. Step 3: Cross multiply
    11,884.96x = 17,817.72 × 4,485.21
  4. Step 4: Simplify right side
    11,884.96x = 79,916,215.92
  5. Step 5: Solve for x
    x = 79,916,215.92/11,884.96
  6. Step 6: Final answer
    x = 6,724.15

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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.