Home / 13,963.93-20,945.72-3,434.04

Finding the Fourth Proportional to 13,963.93, 20,945.72 and 3,434.04

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Solution

The fourth proportional to 13,963.93, 20,945.72 and 3,434.04 is: 5,151.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.93 : 20,945.72 = 3,434.04 : x
  2. Step 2: Convert to fraction form
    13,963.93/20,945.72 = 3,434.04/x
  3. Step 3: Cross multiply
    13,963.93x = 20,945.72 × 3,434.04
  4. Step 4: Simplify right side
    13,963.93x = 71,928,423.14
  5. Step 5: Solve for x
    x = 71,928,423.14/13,963.93
  6. Step 6: Final answer
    x = 5,151.02

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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.