Home / 13,338.47-20,007.70-11,796.64

Finding the Fourth Proportional to 13,338.47, 20,007.70 and 11,796.64

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Solution

The fourth proportional to 13,338.47, 20,007.70 and 11,796.64 is: 17,694.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338.47 : 20,007.70 = 11,796.64 : x
  2. Step 2: Convert to fraction form
    13,338.47/20,007.70 = 11,796.64/x
  3. Step 3: Cross multiply
    13,338.47x = 20,007.70 × 11,796.64
  4. Step 4: Simplify right side
    13,338.47x = 236,023,554.62
  5. Step 5: Solve for x
    x = 236,023,554.62/13,338.47
  6. Step 6: Final answer
    x = 17,694.95

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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.