Home / 10,990.22-16,485.37-4,416.95

Finding the Fourth Proportional to 10,990.22, 16,485.37 and 4,416.95

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Solution

The fourth proportional to 10,990.22, 16,485.37 and 4,416.95 is: 6,625.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990.22 : 16,485.37 = 4,416.95 : x
  2. Step 2: Convert to fraction form
    10,990.22/16,485.37 = 4,416.95/x
  3. Step 3: Cross multiply
    10,990.22x = 16,485.37 × 4,416.95
  4. Step 4: Simplify right side
    10,990.22x = 72,815,085.19
  5. Step 5: Solve for x
    x = 72,815,085.19/10,990.22
  6. Step 6: Final answer
    x = 6,625.45

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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.