Home / 13,799.59-20,697.06-3,936.62

Finding the Fourth Proportional to 13,799.59, 20,697.06 and 3,936.62

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Solution

The fourth proportional to 13,799.59, 20,697.06 and 3,936.62 is: 5,904.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799.59 : 20,697.06 = 3,936.62 : x
  2. Step 2: Convert to fraction form
    13,799.59/20,697.06 = 3,936.62/x
  3. Step 3: Cross multiply
    13,799.59x = 20,697.06 × 3,936.62
  4. Step 4: Simplify right side
    13,799.59x = 81,476,460.34
  5. Step 5: Solve for x
    x = 81,476,460.34/13,799.59
  6. Step 6: Final answer
    x = 5,904.27

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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.