Home / 11,619.52-17,430.96-3,827.56

Finding the Fourth Proportional to 11,619.52, 17,430.96 and 3,827.56

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Solution

The fourth proportional to 11,619.52, 17,430.96 and 3,827.56 is: 5,741.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.52 : 17,430.96 = 3,827.56 : x
  2. Step 2: Convert to fraction form
    11,619.52/17,430.96 = 3,827.56/x
  3. Step 3: Cross multiply
    11,619.52x = 17,430.96 × 3,827.56
  4. Step 4: Simplify right side
    11,619.52x = 66,718,045.26
  5. Step 5: Solve for x
    x = 66,718,045.26/11,619.52
  6. Step 6: Final answer
    x = 5,741.89

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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.