Home / 13,939.02-20,891.79-6,039.36

Finding the Fourth Proportional to 13,939.02, 20,891.79 and 6,039.36

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Solution

The fourth proportional to 13,939.02, 20,891.79 and 6,039.36 is: 9,051.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,939.02 : 20,891.79 = 6,039.36 : x
  2. Step 2: Convert to fraction form
    13,939.02/20,891.79 = 6,039.36/x
  3. Step 3: Cross multiply
    13,939.02x = 20,891.79 × 6,039.36
  4. Step 4: Simplify right side
    13,939.02x = 126,173,040.85
  5. Step 5: Solve for x
    x = 126,173,040.85/13,939.02
  6. Step 6: Final answer
    x = 9,051.79

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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.