Home / 18,258.54-25,198.71-10,705.19

Finding the Fourth Proportional to 18,258.54, 25,198.71 and 10,705.19

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Solution

The fourth proportional to 18,258.54, 25,198.71 and 10,705.19 is: 14,774.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.54 : 25,198.71 = 10,705.19 : x
  2. Step 2: Convert to fraction form
    18,258.54/25,198.71 = 10,705.19/x
  3. Step 3: Cross multiply
    18,258.54x = 25,198.71 × 10,705.19
  4. Step 4: Simplify right side
    18,258.54x = 269,756,978.30
  5. Step 5: Solve for x
    x = 269,756,978.30/18,258.54
  6. Step 6: Final answer
    x = 14,774.29

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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.