Home / 11,633.68-17,446.56-3,840.58

Finding the Fourth Proportional to 11,633.68, 17,446.56 and 3,840.58

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Solution

The fourth proportional to 11,633.68, 17,446.56 and 3,840.58 is: 5,759.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,633.68 : 17,446.56 = 3,840.58 : x
  2. Step 2: Convert to fraction form
    11,633.68/17,446.56 = 3,840.58/x
  3. Step 3: Cross multiply
    11,633.68x = 17,446.56 × 3,840.58
  4. Step 4: Simplify right side
    11,633.68x = 67,004,909.40
  5. Step 5: Solve for x
    x = 67,004,909.40/11,633.68
  6. Step 6: Final answer
    x = 5,759.56

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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.