Home / 18,326.12-25,290.20-9,942.68

Finding the Fourth Proportional to 18,326.12, 25,290.20 and 9,942.68

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Solution

The fourth proportional to 18,326.12, 25,290.20 and 9,942.68 is: 13,720.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326.12 : 25,290.20 = 9,942.68 : x
  2. Step 2: Convert to fraction form
    18,326.12/25,290.20 = 9,942.68/x
  3. Step 3: Cross multiply
    18,326.12x = 25,290.20 × 9,942.68
  4. Step 4: Simplify right side
    18,326.12x = 251,452,365.74
  5. Step 5: Solve for x
    x = 251,452,365.74/18,326.12
  6. Step 6: Final answer
    x = 13,720.98

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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.