Home / 12,999.72-19,501.50-3,764.52

Finding the Fourth Proportional to 12,999.72, 19,501.50 and 3,764.52

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Solution

The fourth proportional to 12,999.72, 19,501.50 and 3,764.52 is: 5,647.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,999.72 : 19,501.50 = 3,764.52 : x
  2. Step 2: Convert to fraction form
    12,999.72/19,501.50 = 3,764.52/x
  3. Step 3: Cross multiply
    12,999.72x = 19,501.50 × 3,764.52
  4. Step 4: Simplify right side
    12,999.72x = 73,413,786.78
  5. Step 5: Solve for x
    x = 73,413,786.78/12,999.72
  6. Step 6: Final answer
    x = 5,647.34

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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.