Home / 11,076.40-16,582.20-7,382.80

Finding the Fourth Proportional to 11,076.40, 16,582.20 and 7,382.80

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Solution

The fourth proportional to 11,076.40, 16,582.20 and 7,382.80 is: 11,052.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,076.40 : 16,582.20 = 7,382.80 : x
  2. Step 2: Convert to fraction form
    11,076.40/16,582.20 = 7,382.80/x
  3. Step 3: Cross multiply
    11,076.40x = 16,582.20 × 7,382.80
  4. Step 4: Simplify right side
    11,076.40x = 122,423,066.16
  5. Step 5: Solve for x
    x = 122,423,066.16/11,076.40
  6. Step 6: Final answer
    x = 11,052.60

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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.