Home / 18,540.25-25,586.18-10,157.29

Finding the Fourth Proportional to 18,540.25, 25,586.18 and 10,157.29

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Solution

The fourth proportional to 18,540.25, 25,586.18 and 10,157.29 is: 14,017.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540.25 : 25,586.18 = 10,157.29 : x
  2. Step 2: Convert to fraction form
    18,540.25/25,586.18 = 10,157.29/x
  3. Step 3: Cross multiply
    18,540.25x = 25,586.18 × 10,157.29
  4. Step 4: Simplify right side
    18,540.25x = 259,886,250.25
  5. Step 5: Solve for x
    x = 259,886,250.25/18,540.25
  6. Step 6: Final answer
    x = 14,017.41

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