Home / 10,629.01-15,945.07-3,963.79

Finding the Fourth Proportional to 10,629.01, 15,945.07 and 3,963.79

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Solution

The fourth proportional to 10,629.01, 15,945.07 and 3,963.79 is: 5,946.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,629.01 : 15,945.07 = 3,963.79 : x
  2. Step 2: Convert to fraction form
    10,629.01/15,945.07 = 3,963.79/x
  3. Step 3: Cross multiply
    10,629.01x = 15,945.07 × 3,963.79
  4. Step 4: Simplify right side
    10,629.01x = 63,202,909.02
  5. Step 5: Solve for x
    x = 63,202,909.02/10,629.01
  6. Step 6: Final answer
    x = 5,946.26

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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.