Home / 13,822.29-20,736.38-4,462.84

Finding the Fourth Proportional to 13,822.29, 20,736.38 and 4,462.84

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Solution

The fourth proportional to 13,822.29, 20,736.38 and 4,462.84 is: 6,695.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,822.29 : 20,736.38 = 4,462.84 : x
  2. Step 2: Convert to fraction form
    13,822.29/20,736.38 = 4,462.84/x
  3. Step 3: Cross multiply
    13,822.29x = 20,736.38 × 4,462.84
  4. Step 4: Simplify right side
    13,822.29x = 92,543,146.12
  5. Step 5: Solve for x
    x = 92,543,146.12/13,822.29
  6. Step 6: Final answer
    x = 6,695.21

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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.