Home / 13,822.65-20,718.57-5,500.44

Finding the Fourth Proportional to 13,822.65, 20,718.57 and 5,500.44

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Solution

The fourth proportional to 13,822.65, 20,718.57 and 5,500.44 is: 8,244.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,822.65 : 20,718.57 = 5,500.44 : x
  2. Step 2: Convert to fraction form
    13,822.65/20,718.57 = 5,500.44/x
  3. Step 3: Cross multiply
    13,822.65x = 20,718.57 × 5,500.44
  4. Step 4: Simplify right side
    13,822.65x = 113,961,251.17
  5. Step 5: Solve for x
    x = 113,961,251.17/13,822.65
  6. Step 6: Final answer
    x = 8,244.53

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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.