Home / 14,154.38-21,216.78-4,791.16

Finding the Fourth Proportional to 14,154.38, 21,216.78 and 4,791.16

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Solution

The fourth proportional to 14,154.38, 21,216.78 and 4,791.16 is: 7,181.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,154.38 : 21,216.78 = 4,791.16 : x
  2. Step 2: Convert to fraction form
    14,154.38/21,216.78 = 4,791.16/x
  3. Step 3: Cross multiply
    14,154.38x = 21,216.78 × 4,791.16
  4. Step 4: Simplify right side
    14,154.38x = 101,652,987.66
  5. Step 5: Solve for x
    x = 101,652,987.66/14,154.38
  6. Step 6: Final answer
    x = 7,181.73

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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.