Home / 13,028.33-19,511.03-7,464.78

Finding the Fourth Proportional to 13,028.33, 19,511.03 and 7,464.78

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Solution

The fourth proportional to 13,028.33, 19,511.03 and 7,464.78 is: 11,179.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,028.33 : 19,511.03 = 7,464.78 : x
  2. Step 2: Convert to fraction form
    13,028.33/19,511.03 = 7,464.78/x
  3. Step 3: Cross multiply
    13,028.33x = 19,511.03 × 7,464.78
  4. Step 4: Simplify right side
    13,028.33x = 145,645,509.20
  5. Step 5: Solve for x
    x = 145,645,509.20/13,028.33
  6. Step 6: Final answer
    x = 11,179.14

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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.