Home / 12,965.88-19,448.82-3,731.88

Finding the Fourth Proportional to 12,965.88, 19,448.82 and 3,731.88

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Solution

The fourth proportional to 12,965.88, 19,448.82 and 3,731.88 is: 5,597.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,965.88 : 19,448.82 = 3,731.88 : x
  2. Step 2: Convert to fraction form
    12,965.88/19,448.82 = 3,731.88/x
  3. Step 3: Cross multiply
    12,965.88x = 19,448.82 × 3,731.88
  4. Step 4: Simplify right side
    12,965.88x = 72,580,662.38
  5. Step 5: Solve for x
    x = 72,580,662.38/12,965.88
  6. Step 6: Final answer
    x = 5,597.82

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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.