Home / 12,745.11-19,096.08-7,804.44

Finding the Fourth Proportional to 12,745.11, 19,096.08 and 7,804.44

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Solution

The fourth proportional to 12,745.11, 19,096.08 and 7,804.44 is: 11,693.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,745.11 : 19,096.08 = 7,804.44 : x
  2. Step 2: Convert to fraction form
    12,745.11/19,096.08 = 7,804.44/x
  3. Step 3: Cross multiply
    12,745.11x = 19,096.08 × 7,804.44
  4. Step 4: Simplify right side
    12,745.11x = 149,034,210.60
  5. Step 5: Solve for x
    x = 149,034,210.60/12,745.11
  6. Step 6: Final answer
    x = 11,693.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.