Home / 17,884.43-26,845.32-13,209.72

Finding the Fourth Proportional to 17,884.43, 26,845.32 and 13,209.72

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Solution

The fourth proportional to 17,884.43, 26,845.32 and 13,209.72 is: 19,828.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,884.43 : 26,845.32 = 13,209.72 : x
  2. Step 2: Convert to fraction form
    17,884.43/26,845.32 = 13,209.72/x
  3. Step 3: Cross multiply
    17,884.43x = 26,845.32 × 13,209.72
  4. Step 4: Simplify right side
    17,884.43x = 354,619,109.38
  5. Step 5: Solve for x
    x = 354,619,109.38/17,884.43
  6. Step 6: Final answer
    x = 19,828.37

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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.