Home / 12,650.36-18,972.23-3,763.29

Finding the Fourth Proportional to 12,650.36, 18,972.23 and 3,763.29

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Solution

The fourth proportional to 12,650.36, 18,972.23 and 3,763.29 is: 5,643.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,650.36 : 18,972.23 = 3,763.29 : x
  2. Step 2: Convert to fraction form
    12,650.36/18,972.23 = 3,763.29/x
  3. Step 3: Cross multiply
    12,650.36x = 18,972.23 × 3,763.29
  4. Step 4: Simplify right side
    12,650.36x = 71,398,055.77
  5. Step 5: Solve for x
    x = 71,398,055.77/12,650.36
  6. Step 6: Final answer
    x = 5,643.96

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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.