Home / 10,427.14-15,640.76-2,635.96

Finding the Fourth Proportional to 10,427.14, 15,640.76 and 2,635.96

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Solution

The fourth proportional to 10,427.14, 15,640.76 and 2,635.96 is: 3,953.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427.14 : 15,640.76 = 2,635.96 : x
  2. Step 2: Convert to fraction form
    10,427.14/15,640.76 = 2,635.96/x
  3. Step 3: Cross multiply
    10,427.14x = 15,640.76 × 2,635.96
  4. Step 4: Simplify right side
    10,427.14x = 41,228,326.35
  5. Step 5: Solve for x
    x = 41,228,326.35/10,427.14
  6. Step 6: Final answer
    x = 3,953.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.