Home / 10,782.44-16,173.66-2,991.25

Finding the Fourth Proportional to 10,782.44, 16,173.66 and 2,991.25

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Solution

The fourth proportional to 10,782.44, 16,173.66 and 2,991.25 is: 4,486.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,782.44 : 16,173.66 = 2,991.25 : x
  2. Step 2: Convert to fraction form
    10,782.44/16,173.66 = 2,991.25/x
  3. Step 3: Cross multiply
    10,782.44x = 16,173.66 × 2,991.25
  4. Step 4: Simplify right side
    10,782.44x = 48,379,460.48
  5. Step 5: Solve for x
    x = 48,379,460.48/10,782.44
  6. Step 6: Final answer
    x = 4,486.88

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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.