Home / 13,329.59-19,992.96-3,969.63

Finding the Fourth Proportional to 13,329.59, 19,992.96 and 3,969.63

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Solution

The fourth proportional to 13,329.59, 19,992.96 and 3,969.63 is: 5,954.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329.59 : 19,992.96 = 3,969.63 : x
  2. Step 2: Convert to fraction form
    13,329.59/19,992.96 = 3,969.63/x
  3. Step 3: Cross multiply
    13,329.59x = 19,992.96 × 3,969.63
  4. Step 4: Simplify right side
    13,329.59x = 79,364,653.80
  5. Step 5: Solve for x
    x = 79,364,653.80/13,329.59
  6. Step 6: Final answer
    x = 5,954.02

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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.