Home / 11,113.44-16,670.40-3,322.56

Finding the Fourth Proportional to 11,113.44, 16,670.40 and 3,322.56

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Solution

The fourth proportional to 11,113.44, 16,670.40 and 3,322.56 is: 4,983.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.44 : 16,670.40 = 3,322.56 : x
  2. Step 2: Convert to fraction form
    11,113.44/16,670.40 = 3,322.56/x
  3. Step 3: Cross multiply
    11,113.44x = 16,670.40 × 3,322.56
  4. Step 4: Simplify right side
    11,113.44x = 55,388,404.22
  5. Step 5: Solve for x
    x = 55,388,404.22/11,113.44
  6. Step 6: Final answer
    x = 4,983.91

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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.