Home / 12,844.44-19,258.74-7,213.26

Finding the Fourth Proportional to 12,844.44, 19,258.74 and 7,213.26

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Solution

The fourth proportional to 12,844.44, 19,258.74 and 7,213.26 is: 10,815.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,844.44 : 19,258.74 = 7,213.26 : x
  2. Step 2: Convert to fraction form
    12,844.44/19,258.74 = 7,213.26/x
  3. Step 3: Cross multiply
    12,844.44x = 19,258.74 × 7,213.26
  4. Step 4: Simplify right side
    12,844.44x = 138,918,298.89
  5. Step 5: Solve for x
    x = 138,918,298.89/12,844.44
  6. Step 6: Final answer
    x = 10,815.44

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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.