Home / 11,619.56-17,429.52-3,723.56

Finding the Fourth Proportional to 11,619.56, 17,429.52 and 3,723.56

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Solution

The fourth proportional to 11,619.56, 17,429.52 and 3,723.56 is: 5,585.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.56 : 17,429.52 = 3,723.56 : x
  2. Step 2: Convert to fraction form
    11,619.56/17,429.52 = 3,723.56/x
  3. Step 3: Cross multiply
    11,619.56x = 17,429.52 × 3,723.56
  4. Step 4: Simplify right side
    11,619.56x = 64,899,863.49
  5. Step 5: Solve for x
    x = 64,899,863.49/11,619.56
  6. Step 6: Final answer
    x = 5,585.40

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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.