Home / 13,941.80-20,908.26-4,579.64

Finding the Fourth Proportional to 13,941.80, 20,908.26 and 4,579.64

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Solution

The fourth proportional to 13,941.80, 20,908.26 and 4,579.64 is: 6,868.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.80 : 20,908.26 = 4,579.64 : x
  2. Step 2: Convert to fraction form
    13,941.80/20,908.26 = 4,579.64/x
  3. Step 3: Cross multiply
    13,941.80x = 20,908.26 × 4,579.64
  4. Step 4: Simplify right side
    13,941.80x = 95,752,381.75
  5. Step 5: Solve for x
    x = 95,752,381.75/13,941.80
  6. Step 6: Final answer
    x = 6,868.01

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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.