Home / 13,326.06-19,985.62-3,963.56

Finding the Fourth Proportional to 13,326.06, 19,985.62 and 3,963.56

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Solution

The fourth proportional to 13,326.06, 19,985.62 and 3,963.56 is: 5,944.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326.06 : 19,985.62 = 3,963.56 : x
  2. Step 2: Convert to fraction form
    13,326.06/19,985.62 = 3,963.56/x
  3. Step 3: Cross multiply
    13,326.06x = 19,985.62 × 3,963.56
  4. Step 4: Simplify right side
    13,326.06x = 79,214,204.01
  5. Step 5: Solve for x
    x = 79,214,204.01/13,326.06
  6. Step 6: Final answer
    x = 5,944.31

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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.