Home / 13,362.78-20,028.68-5,037.47

Finding the Fourth Proportional to 13,362.78, 20,028.68 and 5,037.47

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Solution

The fourth proportional to 13,362.78, 20,028.68 and 5,037.47 is: 7,550.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362.78 : 20,028.68 = 5,037.47 : x
  2. Step 2: Convert to fraction form
    13,362.78/20,028.68 = 5,037.47/x
  3. Step 3: Cross multiply
    13,362.78x = 20,028.68 × 5,037.47
  4. Step 4: Simplify right side
    13,362.78x = 100,893,768.20
  5. Step 5: Solve for x
    x = 100,893,768.20/13,362.78
  6. Step 6: Final answer
    x = 7,550.36

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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.