Home / 12,825.56-19,205.66-10,857.26

Finding the Fourth Proportional to 12,825.56, 19,205.66 and 10,857.26

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Solution

The fourth proportional to 12,825.56, 19,205.66 and 10,857.26 is: 16,258.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,825.56 : 19,205.66 = 10,857.26 : x
  2. Step 2: Convert to fraction form
    12,825.56/19,205.66 = 10,857.26/x
  3. Step 3: Cross multiply
    12,825.56x = 19,205.66 × 10,857.26
  4. Step 4: Simplify right side
    12,825.56x = 208,520,844.09
  5. Step 5: Solve for x
    x = 208,520,844.09/12,825.56
  6. Step 6: Final answer
    x = 16,258.23

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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.