Home / 13,025.92-19,540.50-4,258.48

Finding the Fourth Proportional to 13,025.92, 19,540.50 and 4,258.48

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Solution

The fourth proportional to 13,025.92, 19,540.50 and 4,258.48 is: 6,388.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,025.92 : 19,540.50 = 4,258.48 : x
  2. Step 2: Convert to fraction form
    13,025.92/19,540.50 = 4,258.48/x
  3. Step 3: Cross multiply
    13,025.92x = 19,540.50 × 4,258.48
  4. Step 4: Simplify right side
    13,025.92x = 83,212,828.44
  5. Step 5: Solve for x
    x = 83,212,828.44/13,025.92
  6. Step 6: Final answer
    x = 6,388.25

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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.