Home / 12,112.23-16,714.72-6,807.94

Finding the Fourth Proportional to 12,112.23, 16,714.72 and 6,807.94

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Solution

The fourth proportional to 12,112.23, 16,714.72 and 6,807.94 is: 9,394.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,112.23 : 16,714.72 = 6,807.94 : x
  2. Step 2: Convert to fraction form
    12,112.23/16,714.72 = 6,807.94/x
  3. Step 3: Cross multiply
    12,112.23x = 16,714.72 × 6,807.94
  4. Step 4: Simplify right side
    12,112.23x = 113,792,810.88
  5. Step 5: Solve for x
    x = 113,792,810.88/12,112.23
  6. Step 6: Final answer
    x = 9,394.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.