Home / 13,230.66-19,832.01-4,791.54

Finding the Fourth Proportional to 13,230.66, 19,832.01 and 4,791.54

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Solution

The fourth proportional to 13,230.66, 19,832.01 and 4,791.54 is: 7,182.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230.66 : 19,832.01 = 4,791.54 : x
  2. Step 2: Convert to fraction form
    13,230.66/19,832.01 = 4,791.54/x
  3. Step 3: Cross multiply
    13,230.66x = 19,832.01 × 4,791.54
  4. Step 4: Simplify right side
    13,230.66x = 95,025,869.20
  5. Step 5: Solve for x
    x = 95,025,869.20/13,230.66
  6. Step 6: Final answer
    x = 7,182.25

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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.