Home / 11,175.21-16,764.98-3,780.88

Finding the Fourth Proportional to 11,175.21, 16,764.98 and 3,780.88

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Solution

The fourth proportional to 11,175.21, 16,764.98 and 3,780.88 is: 5,672.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,175.21 : 16,764.98 = 3,780.88 : x
  2. Step 2: Convert to fraction form
    11,175.21/16,764.98 = 3,780.88/x
  3. Step 3: Cross multiply
    11,175.21x = 16,764.98 × 3,780.88
  4. Step 4: Simplify right side
    11,175.21x = 63,386,345.12
  5. Step 5: Solve for x
    x = 63,386,345.12/11,175.21
  6. Step 6: Final answer
    x = 5,672.05

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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.