Home / 18,237.00-25,187.82-12,258.29

Finding the Fourth Proportional to 18,237.00, 25,187.82 and 12,258.29

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Solution

The fourth proportional to 18,237.00, 25,187.82 and 12,258.29 is: 16,930.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,237.00 : 25,187.82 = 12,258.29 : x
  2. Step 2: Convert to fraction form
    18,237.00/25,187.82 = 12,258.29/x
  3. Step 3: Cross multiply
    18,237.00x = 25,187.82 × 12,258.29
  4. Step 4: Simplify right side
    18,237.00x = 308,759,414.80
  5. Step 5: Solve for x
    x = 308,759,414.80/18,237.00
  6. Step 6: Final answer
    x = 16,930.39

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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.