Home / 13,221.26-19,792.93-11,581.01

Finding the Fourth Proportional to 13,221.26, 19,792.93 and 11,581.01

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Solution

The fourth proportional to 13,221.26, 19,792.93 and 11,581.01 is: 17,337.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,221.26 : 19,792.93 = 11,581.01 : x
  2. Step 2: Convert to fraction form
    13,221.26/19,792.93 = 11,581.01/x
  3. Step 3: Cross multiply
    13,221.26x = 19,792.93 × 11,581.01
  4. Step 4: Simplify right side
    13,221.26x = 229,222,120.26
  5. Step 5: Solve for x
    x = 229,222,120.26/13,221.26
  6. Step 6: Final answer
    x = 17,337.39

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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.