Home / 13,964.49-20,941.07-5,200.02

Finding the Fourth Proportional to 13,964.49, 20,941.07 and 5,200.02

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Solution

The fourth proportional to 13,964.49, 20,941.07 and 5,200.02 is: 7,797.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,964.49 : 20,941.07 = 5,200.02 : x
  2. Step 2: Convert to fraction form
    13,964.49/20,941.07 = 5,200.02/x
  3. Step 3: Cross multiply
    13,964.49x = 20,941.07 × 5,200.02
  4. Step 4: Simplify right side
    13,964.49x = 108,893,956.82
  5. Step 5: Solve for x
    x = 108,893,956.82/13,964.49
  6. Step 6: Final answer
    x = 7,797.92

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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.