Home / 10,908.84-16,366.47-3,513.12

Finding the Fourth Proportional to 10,908.84, 16,366.47 and 3,513.12

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Solution

The fourth proportional to 10,908.84, 16,366.47 and 3,513.12 is: 5,270.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,908.84 : 16,366.47 = 3,513.12 : x
  2. Step 2: Convert to fraction form
    10,908.84/16,366.47 = 3,513.12/x
  3. Step 3: Cross multiply
    10,908.84x = 16,366.47 × 3,513.12
  4. Step 4: Simplify right side
    10,908.84x = 57,497,373.09
  5. Step 5: Solve for x
    x = 57,497,373.09/10,908.84
  6. Step 6: Final answer
    x = 5,270.71

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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.