Home / 13,199.71-19,799.59-3,338.21

Finding the Fourth Proportional to 13,199.71, 19,799.59 and 3,338.21

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Solution

The fourth proportional to 13,199.71, 19,799.59 and 3,338.21 is: 5,007.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,199.71 : 19,799.59 = 3,338.21 : x
  2. Step 2: Convert to fraction form
    13,199.71/19,799.59 = 3,338.21/x
  3. Step 3: Cross multiply
    13,199.71x = 19,799.59 × 3,338.21
  4. Step 4: Simplify right side
    13,199.71x = 66,095,236.75
  5. Step 5: Solve for x
    x = 66,095,236.75/13,199.71
  6. Step 6: Final answer
    x = 5,007.33

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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.