Home / 11,060.20-16,590.30-9,310.60

Finding the Fourth Proportional to 11,060.20, 16,590.30 and 9,310.60

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Solution

The fourth proportional to 11,060.20, 16,590.30 and 9,310.60 is: 13,965.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,060.20 : 16,590.30 = 9,310.60 : x
  2. Step 2: Convert to fraction form
    11,060.20/16,590.30 = 9,310.60/x
  3. Step 3: Cross multiply
    11,060.20x = 16,590.30 × 9,310.60
  4. Step 4: Simplify right side
    11,060.20x = 154,465,647.18
  5. Step 5: Solve for x
    x = 154,465,647.18/11,060.20
  6. Step 6: Final answer
    x = 13,965.90

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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.