Home / 14,140.80-21,211.18-3,610.82

Finding the Fourth Proportional to 14,140.80, 21,211.18 and 3,610.82

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Solution

The fourth proportional to 14,140.80, 21,211.18 and 3,610.82 is: 5,416.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140.80 : 21,211.18 = 3,610.82 : x
  2. Step 2: Convert to fraction form
    14,140.80/21,211.18 = 3,610.82/x
  3. Step 3: Cross multiply
    14,140.80x = 21,211.18 × 3,610.82
  4. Step 4: Simplify right side
    14,140.80x = 76,589,752.97
  5. Step 5: Solve for x
    x = 76,589,752.97/14,140.80
  6. Step 6: Final answer
    x = 5,416.22

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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.