Home / 17,911.51-26,857.61-13,741.22

Finding the Fourth Proportional to 17,911.51, 26,857.61 and 13,741.22

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Solution

The fourth proportional to 17,911.51, 26,857.61 and 13,741.22 is: 20,604.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,911.51 : 26,857.61 = 13,741.22 : x
  2. Step 2: Convert to fraction form
    17,911.51/26,857.61 = 13,741.22/x
  3. Step 3: Cross multiply
    17,911.51x = 26,857.61 × 13,741.22
  4. Step 4: Simplify right side
    17,911.51x = 369,056,327.68
  5. Step 5: Solve for x
    x = 369,056,327.68/17,911.51
  6. Step 6: Final answer
    x = 20,604.42

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1.5x scale

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.