Home / 14,180.18-21,270.27-3,791.66

Finding the Fourth Proportional to 14,180.18, 21,270.27 and 3,791.66

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Solution

The fourth proportional to 14,180.18, 21,270.27 and 3,791.66 is: 5,687.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.18 : 21,270.27 = 3,791.66 : x
  2. Step 2: Convert to fraction form
    14,180.18/21,270.27 = 3,791.66/x
  3. Step 3: Cross multiply
    14,180.18x = 21,270.27 × 3,791.66
  4. Step 4: Simplify right side
    14,180.18x = 80,649,506.64
  5. Step 5: Solve for x
    x = 80,649,506.64/14,180.18
  6. Step 6: Final answer
    x = 5,687.48

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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.