Home / 20,326.06-30,493.77-10,965.88

Finding the Fourth Proportional to 20,326.06, 30,493.77 and 10,965.88

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Solution

The fourth proportional to 20,326.06, 30,493.77 and 10,965.88 is: 16,451.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,326.06 : 30,493.77 = 10,965.88 : x
  2. Step 2: Convert to fraction form
    20,326.06/30,493.77 = 10,965.88/x
  3. Step 3: Cross multiply
    20,326.06x = 30,493.77 × 10,965.88
  4. Step 4: Simplify right side
    20,326.06x = 334,391,022.57
  5. Step 5: Solve for x
    x = 334,391,022.57/20,326.06
  6. Step 6: Final answer
    x = 16,451.34

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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.