Home / 13,304.69-19,957.23-3,945.66

Finding the Fourth Proportional to 13,304.69, 19,957.23 and 3,945.66

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Solution

The fourth proportional to 13,304.69, 19,957.23 and 3,945.66 is: 5,918.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304.69 : 19,957.23 = 3,945.66 : x
  2. Step 2: Convert to fraction form
    13,304.69/19,957.23 = 3,945.66/x
  3. Step 3: Cross multiply
    13,304.69x = 19,957.23 × 3,945.66
  4. Step 4: Simplify right side
    13,304.69x = 78,744,444.12
  5. Step 5: Solve for x
    x = 78,744,444.12/13,304.69
  6. Step 6: Final answer
    x = 5,918.55

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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.