Home / 12,936.86-19,405.30-5,536.53

Finding the Fourth Proportional to 12,936.86, 19,405.30 and 5,536.53

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Solution

The fourth proportional to 12,936.86, 19,405.30 and 5,536.53 is: 8,304.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,936.86 : 19,405.30 = 5,536.53 : x
  2. Step 2: Convert to fraction form
    12,936.86/19,405.30 = 5,536.53/x
  3. Step 3: Cross multiply
    12,936.86x = 19,405.30 × 5,536.53
  4. Step 4: Simplify right side
    12,936.86x = 107,437,952.00
  5. Step 5: Solve for x
    x = 107,437,952.00/12,936.86
  6. Step 6: Final answer
    x = 8,304.79

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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.