Home / 13,362.41-20,028.12-5,037.09

Finding the Fourth Proportional to 13,362.41, 20,028.12 and 5,037.09

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Solution

The fourth proportional to 13,362.41, 20,028.12 and 5,037.09 is: 7,549.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362.41 : 20,028.12 = 5,037.09 : x
  2. Step 2: Convert to fraction form
    13,362.41/20,028.12 = 5,037.09/x
  3. Step 3: Cross multiply
    13,362.41x = 20,028.12 × 5,037.09
  4. Step 4: Simplify right side
    13,362.41x = 100,883,424.08
  5. Step 5: Solve for x
    x = 100,883,424.08/13,362.41
  6. Step 6: Final answer
    x = 7,549.80

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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.