Home / 11,619.61-17,430.09-4,224.04

Finding the Fourth Proportional to 11,619.61, 17,430.09 and 4,224.04

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Solution

The fourth proportional to 11,619.61, 17,430.09 and 4,224.04 is: 6,336.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.61 : 17,430.09 = 4,224.04 : x
  2. Step 2: Convert to fraction form
    11,619.61/17,430.09 = 4,224.04/x
  3. Step 3: Cross multiply
    11,619.61x = 17,430.09 × 4,224.04
  4. Step 4: Simplify right side
    11,619.61x = 73,625,397.36
  5. Step 5: Solve for x
    x = 73,625,397.36/11,619.61
  6. Step 6: Final answer
    x = 6,336.31

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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.