Home / 11,265.20-16,897.80-7,328.60

Finding the Fourth Proportional to 11,265.20, 16,897.80 and 7,328.60

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Solution

The fourth proportional to 11,265.20, 16,897.80 and 7,328.60 is: 10,992.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,265.20 : 16,897.80 = 7,328.60 : x
  2. Step 2: Convert to fraction form
    11,265.20/16,897.80 = 7,328.60/x
  3. Step 3: Cross multiply
    11,265.20x = 16,897.80 × 7,328.60
  4. Step 4: Simplify right side
    11,265.20x = 123,837,217.08
  5. Step 5: Solve for x
    x = 123,837,217.08/11,265.20
  6. Step 6: Final answer
    x = 10,992.90

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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.