Home / 13,932.52-19,228.23-7,963.05

Finding the Fourth Proportional to 13,932.52, 19,228.23 and 7,963.05

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Solution

The fourth proportional to 13,932.52, 19,228.23 and 7,963.05 is: 10,989.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.52 : 19,228.23 = 7,963.05 : x
  2. Step 2: Convert to fraction form
    13,932.52/19,228.23 = 7,963.05/x
  3. Step 3: Cross multiply
    13,932.52x = 19,228.23 × 7,963.05
  4. Step 4: Simplify right side
    13,932.52x = 153,115,356.90
  5. Step 5: Solve for x
    x = 153,115,356.90/13,932.52
  6. Step 6: Final answer
    x = 10,989.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.