Home / 11,395.20-17,093.44-3,187.20

Finding the Fourth Proportional to 11,395.20, 17,093.44 and 3,187.20

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Solution

The fourth proportional to 11,395.20, 17,093.44 and 3,187.20 is: 4,780.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,395.20 : 17,093.44 = 3,187.20 : x
  2. Step 2: Convert to fraction form
    11,395.20/17,093.44 = 3,187.20/x
  3. Step 3: Cross multiply
    11,395.20x = 17,093.44 × 3,187.20
  4. Step 4: Simplify right side
    11,395.20x = 54,480,211.97
  5. Step 5: Solve for x
    x = 54,480,211.97/11,395.20
  6. Step 6: Final answer
    x = 4,780.98

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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.