Home / 12,525.11-18,789.29-4,202.36

Finding the Fourth Proportional to 12,525.11, 18,789.29 and 4,202.36

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Solution

The fourth proportional to 12,525.11, 18,789.29 and 4,202.36 is: 6,304.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525.11 : 18,789.29 = 4,202.36 : x
  2. Step 2: Convert to fraction form
    12,525.11/18,789.29 = 4,202.36/x
  3. Step 3: Cross multiply
    12,525.11x = 18,789.29 × 4,202.36
  4. Step 4: Simplify right side
    12,525.11x = 78,959,245.77
  5. Step 5: Solve for x
    x = 78,959,245.77/12,525.11
  6. Step 6: Final answer
    x = 6,304.08

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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.