Home / 17,513.15-26,287.59-12,819.22

Finding the Fourth Proportional to 17,513.15, 26,287.59 and 12,819.22

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Solution

The fourth proportional to 17,513.15, 26,287.59 and 12,819.22 is: 19,241.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,513.15 : 26,287.59 = 12,819.22 : x
  2. Step 2: Convert to fraction form
    17,513.15/26,287.59 = 12,819.22/x
  3. Step 3: Cross multiply
    17,513.15x = 26,287.59 × 12,819.22
  4. Step 4: Simplify right side
    17,513.15x = 336,986,300.09
  5. Step 5: Solve for x
    x = 336,986,300.09/17,513.15
  6. Step 6: Final answer
    x = 19,241.90

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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.