Home / 10,340.82-15,513.82-3,321.45

Finding the Fourth Proportional to 10,340.82, 15,513.82 and 3,321.45

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Solution

The fourth proportional to 10,340.82, 15,513.82 and 3,321.45 is: 4,983.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,340.82 : 15,513.82 = 3,321.45 : x
  2. Step 2: Convert to fraction form
    10,340.82/15,513.82 = 3,321.45/x
  3. Step 3: Cross multiply
    10,340.82x = 15,513.82 × 3,321.45
  4. Step 4: Simplify right side
    10,340.82x = 51,528,369.14
  5. Step 5: Solve for x
    x = 51,528,369.14/10,340.82
  6. Step 6: Final answer
    x = 4,983.01

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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.