Home / 19,661.26-27,150.57-12,493.54

Finding the Fourth Proportional to 19,661.26, 27,150.57 and 12,493.54

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Solution

The fourth proportional to 19,661.26, 27,150.57 and 12,493.54 is: 17,252.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,661.26 : 27,150.57 = 12,493.54 : x
  2. Step 2: Convert to fraction form
    19,661.26/27,150.57 = 12,493.54/x
  3. Step 3: Cross multiply
    19,661.26x = 27,150.57 × 12,493.54
  4. Step 4: Simplify right side
    19,661.26x = 339,206,534.10
  5. Step 5: Solve for x
    x = 339,206,534.10/19,661.26
  6. Step 6: Final answer
    x = 17,252.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.