Home / 18,201.87-27,307.58-5,721.39

Finding the Fourth Proportional to 18,201.87, 27,307.58 and 5,721.39

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Solution

The fourth proportional to 18,201.87, 27,307.58 and 5,721.39 is: 8,583.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,201.87 : 27,307.58 = 5,721.39 : x
  2. Step 2: Convert to fraction form
    18,201.87/27,307.58 = 5,721.39/x
  3. Step 3: Cross multiply
    18,201.87x = 27,307.58 × 5,721.39
  4. Step 4: Simplify right side
    18,201.87x = 156,237,286.53
  5. Step 5: Solve for x
    x = 156,237,286.53/18,201.87
  6. Step 6: Final answer
    x = 8,583.58

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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.