Home / 11,180.22-16,740.81-7,002.78

Finding the Fourth Proportional to 11,180.22, 16,740.81 and 7,002.78

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Solution

The fourth proportional to 11,180.22, 16,740.81 and 7,002.78 is: 10,485.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.22 : 16,740.81 = 7,002.78 : x
  2. Step 2: Convert to fraction form
    11,180.22/16,740.81 = 7,002.78/x
  3. Step 3: Cross multiply
    11,180.22x = 16,740.81 × 7,002.78
  4. Step 4: Simplify right side
    11,180.22x = 117,232,209.45
  5. Step 5: Solve for x
    x = 117,232,209.45/11,180.22
  6. Step 6: Final answer
    x = 10,485.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.