Home / 11,406.08-17,118.72-4,485.44

Finding the Fourth Proportional to 11,406.08, 17,118.72 and 4,485.44

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Solution

The fourth proportional to 11,406.08, 17,118.72 and 4,485.44 is: 6,731.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,406.08 : 17,118.72 = 4,485.44 : x
  2. Step 2: Convert to fraction form
    11,406.08/17,118.72 = 4,485.44/x
  3. Step 3: Cross multiply
    11,406.08x = 17,118.72 × 4,485.44
  4. Step 4: Simplify right side
    11,406.08x = 76,784,991.44
  5. Step 5: Solve for x
    x = 76,784,991.44/11,406.08
  6. Step 6: Final answer
    x = 6,731.94

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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.