Home / 13,258.45-19,883.45-4,372.13

Finding the Fourth Proportional to 13,258.45, 19,883.45 and 4,372.13

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Solution

The fourth proportional to 13,258.45, 19,883.45 and 4,372.13 is: 6,556.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258.45 : 19,883.45 = 4,372.13 : x
  2. Step 2: Convert to fraction form
    13,258.45/19,883.45 = 4,372.13/x
  3. Step 3: Cross multiply
    13,258.45x = 19,883.45 × 4,372.13
  4. Step 4: Simplify right side
    13,258.45x = 86,932,906.97
  5. Step 5: Solve for x
    x = 86,932,906.97/13,258.45
  6. Step 6: Final answer
    x = 6,556.79

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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.