Home / 13,258.44-18,296.30-7,208.48

Finding the Fourth Proportional to 13,258.44, 18,296.30 and 7,208.48

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Solution

The fourth proportional to 13,258.44, 18,296.30 and 7,208.48 is: 9,947.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258.44 : 18,296.30 = 7,208.48 : x
  2. Step 2: Convert to fraction form
    13,258.44/18,296.30 = 7,208.48/x
  3. Step 3: Cross multiply
    13,258.44x = 18,296.30 × 7,208.48
  4. Step 4: Simplify right side
    13,258.44x = 131,888,512.62
  5. Step 5: Solve for x
    x = 131,888,512.62/13,258.44
  6. Step 6: Final answer
    x = 9,947.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.