Home / 11,317.89-16,977.60-2,997.80

Finding the Fourth Proportional to 11,317.89, 16,977.60 and 2,997.80

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Solution

The fourth proportional to 11,317.89, 16,977.60 and 2,997.80 is: 4,496.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,317.89 : 16,977.60 = 2,997.80 : x
  2. Step 2: Convert to fraction form
    11,317.89/16,977.60 = 2,997.80/x
  3. Step 3: Cross multiply
    11,317.89x = 16,977.60 × 2,997.80
  4. Step 4: Simplify right side
    11,317.89x = 50,895,364.39
  5. Step 5: Solve for x
    x = 50,895,364.39/11,317.89
  6. Step 6: Final answer
    x = 4,496.90

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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.