Home / 13,258.44-19,887.48-3,397.68

Finding the Fourth Proportional to 13,258.44, 19,887.48 and 3,397.68

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Solution

The fourth proportional to 13,258.44, 19,887.48 and 3,397.68 is: 5,096.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258.44 : 19,887.48 = 3,397.68 : x
  2. Step 2: Convert to fraction form
    13,258.44/19,887.48 = 3,397.68/x
  3. Step 3: Cross multiply
    13,258.44x = 19,887.48 × 3,397.68
  4. Step 4: Simplify right side
    13,258.44x = 67,571,293.05
  5. Step 5: Solve for x
    x = 67,571,293.05/13,258.44
  6. Step 6: Final answer
    x = 5,096.47

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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.