Home / 10,638.11-15,952.94-3,616.70

Finding the Fourth Proportional to 10,638.11, 15,952.94 and 3,616.70

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Solution

The fourth proportional to 10,638.11, 15,952.94 and 3,616.70 is: 5,423.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638.11 : 15,952.94 = 3,616.70 : x
  2. Step 2: Convert to fraction form
    10,638.11/15,952.94 = 3,616.70/x
  3. Step 3: Cross multiply
    10,638.11x = 15,952.94 × 3,616.70
  4. Step 4: Simplify right side
    10,638.11x = 57,696,918.33
  5. Step 5: Solve for x
    x = 57,696,918.33/10,638.11
  6. Step 6: Final answer
    x = 5,423.61

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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.