Home / 14,178.81-21,266.60-3,791.37

Finding the Fourth Proportional to 14,178.81, 21,266.60 and 3,791.37

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Solution

The fourth proportional to 14,178.81, 21,266.60 and 3,791.37 is: 5,686.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.81 : 21,266.60 = 3,791.37 : x
  2. Step 2: Convert to fraction form
    14,178.81/21,266.60 = 3,791.37/x
  3. Step 3: Cross multiply
    14,178.81x = 21,266.60 × 3,791.37
  4. Step 4: Simplify right side
    14,178.81x = 80,629,530.29
  5. Step 5: Solve for x
    x = 80,629,530.29/14,178.81
  6. Step 6: Final answer
    x = 5,686.62

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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.