Home / 13,670.42-20,511.88-6,175.98

Finding the Fourth Proportional to 13,670.42, 20,511.88 and 6,175.98

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Solution

The fourth proportional to 13,670.42, 20,511.88 and 6,175.98 is: 9,266.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,670.42 : 20,511.88 = 6,175.98 : x
  2. Step 2: Convert to fraction form
    13,670.42/20,511.88 = 6,175.98/x
  3. Step 3: Cross multiply
    13,670.42x = 20,511.88 × 6,175.98
  4. Step 4: Simplify right side
    13,670.42x = 126,680,945.20
  5. Step 5: Solve for x
    x = 126,680,945.20/13,670.42
  6. Step 6: Final answer
    x = 9,266.80

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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.