Home / 13,199.45-19,799.10-3,338.75

Finding the Fourth Proportional to 13,199.45, 19,799.10 and 3,338.75

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Solution

The fourth proportional to 13,199.45, 19,799.10 and 3,338.75 is: 5,008.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,199.45 : 19,799.10 = 3,338.75 : x
  2. Step 2: Convert to fraction form
    13,199.45/19,799.10 = 3,338.75/x
  3. Step 3: Cross multiply
    13,199.45x = 19,799.10 × 3,338.75
  4. Step 4: Simplify right side
    13,199.45x = 66,104,245.13
  5. Step 5: Solve for x
    x = 66,104,245.13/13,199.45
  6. Step 6: Final answer
    x = 5,008.11

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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.