Home / 13,028.28-19,537.62-4,477.29

Finding the Fourth Proportional to 13,028.28, 19,537.62 and 4,477.29

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Solution

The fourth proportional to 13,028.28, 19,537.62 and 4,477.29 is: 6,714.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,028.28 : 19,537.62 = 4,477.29 : x
  2. Step 2: Convert to fraction form
    13,028.28/19,537.62 = 4,477.29/x
  3. Step 3: Cross multiply
    13,028.28x = 19,537.62 × 4,477.29
  4. Step 4: Simplify right side
    13,028.28x = 87,475,648.27
  5. Step 5: Solve for x
    x = 87,475,648.27/13,028.28
  6. Step 6: Final answer
    x = 6,714.29

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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.