Home / 10,480.67-15,718.78-3,083.12

Finding the Fourth Proportional to 10,480.67, 15,718.78 and 3,083.12

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Solution

The fourth proportional to 10,480.67, 15,718.78 and 3,083.12 is: 4,624.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,480.67 : 15,718.78 = 3,083.12 : x
  2. Step 2: Convert to fraction form
    10,480.67/15,718.78 = 3,083.12/x
  3. Step 3: Cross multiply
    10,480.67x = 15,718.78 × 3,083.12
  4. Step 4: Simplify right side
    10,480.67x = 48,462,884.99
  5. Step 5: Solve for x
    x = 48,462,884.99/10,480.67
  6. Step 6: Final answer
    x = 4,624.03

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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.