Home / 13,304.48-19,959.65-3,945.23

Finding the Fourth Proportional to 13,304.48, 19,959.65 and 3,945.23

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Solution

The fourth proportional to 13,304.48, 19,959.65 and 3,945.23 is: 5,918.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304.48 : 19,959.65 = 3,945.23 : x
  2. Step 2: Convert to fraction form
    13,304.48/19,959.65 = 3,945.23/x
  3. Step 3: Cross multiply
    13,304.48x = 19,959.65 × 3,945.23
  4. Step 4: Simplify right side
    13,304.48x = 78,745,290.45
  5. Step 5: Solve for x
    x = 78,745,290.45/13,304.48
  6. Step 6: Final answer
    x = 5,918.71

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1.5x scale

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.