Home / 13,274.30-18,315.60-7,682.06

Finding the Fourth Proportional to 13,274.30, 18,315.60 and 7,682.06

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Solution

The fourth proportional to 13,274.30, 18,315.60 and 7,682.06 is: 10,599.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,274.30 : 18,315.60 = 7,682.06 : x
  2. Step 2: Convert to fraction form
    13,274.30/18,315.60 = 7,682.06/x
  3. Step 3: Cross multiply
    13,274.30x = 18,315.60 × 7,682.06
  4. Step 4: Simplify right side
    13,274.30x = 140,701,555.12
  5. Step 5: Solve for x
    x = 140,701,555.12/13,274.30
  6. Step 6: Final answer
    x = 10,599.54

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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.