Home / 11,282.88-16,917.76-3,489.60

Finding the Fourth Proportional to 11,282.88, 16,917.76 and 3,489.60

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Solution

The fourth proportional to 11,282.88, 16,917.76 and 3,489.60 is: 5,232.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,282.88 : 16,917.76 = 3,489.60 : x
  2. Step 2: Convert to fraction form
    11,282.88/16,917.76 = 3,489.60/x
  3. Step 3: Cross multiply
    11,282.88x = 16,917.76 × 3,489.60
  4. Step 4: Simplify right side
    11,282.88x = 59,036,215.30
  5. Step 5: Solve for x
    x = 59,036,215.30/11,282.88
  6. Step 6: Final answer
    x = 5,232.37

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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.