Home / 10,481.67-15,720.08-3,084.14

Finding the Fourth Proportional to 10,481.67, 15,720.08 and 3,084.14

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Solution

The fourth proportional to 10,481.67, 15,720.08 and 3,084.14 is: 4,625.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,481.67 : 15,720.08 = 3,084.14 : x
  2. Step 2: Convert to fraction form
    10,481.67/15,720.08 = 3,084.14/x
  3. Step 3: Cross multiply
    10,481.67x = 15,720.08 × 3,084.14
  4. Step 4: Simplify right side
    10,481.67x = 48,482,951.41
  5. Step 5: Solve for x
    x = 48,482,951.41/10,481.67
  6. Step 6: Final answer
    x = 4,625.50

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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.