Home / 13,933.46-19,228.92-7,965.38

Finding the Fourth Proportional to 13,933.46, 19,228.92 and 7,965.38

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Solution

The fourth proportional to 13,933.46, 19,228.92 and 7,965.38 is: 10,992.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.46 : 19,228.92 = 7,965.38 : x
  2. Step 2: Convert to fraction form
    13,933.46/19,228.92 = 7,965.38/x
  3. Step 3: Cross multiply
    13,933.46x = 19,228.92 × 7,965.38
  4. Step 4: Simplify right side
    13,933.46x = 153,165,654.79
  5. Step 5: Solve for x
    x = 153,165,654.79/13,933.46
  6. Step 6: Final answer
    x = 10,992.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.