Home / 13,155.80-19,734.98-3,796.02

Finding the Fourth Proportional to 13,155.80, 19,734.98 and 3,796.02

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Solution

The fourth proportional to 13,155.80, 19,734.98 and 3,796.02 is: 5,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,155.80 : 19,734.98 = 3,796.02 : x
  2. Step 2: Convert to fraction form
    13,155.80/19,734.98 = 3,796.02/x
  3. Step 3: Cross multiply
    13,155.80x = 19,734.98 × 3,796.02
  4. Step 4: Simplify right side
    13,155.80x = 74,914,359.80
  5. Step 5: Solve for x
    x = 74,914,359.80/13,155.80
  6. Step 6: Final answer
    x = 5,694.40

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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.