Home / 10,516.37-15,770.24-3,939.17

Finding the Fourth Proportional to 10,516.37, 15,770.24 and 3,939.17

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Solution

The fourth proportional to 10,516.37, 15,770.24 and 3,939.17 is: 5,907.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516.37 : 15,770.24 = 3,939.17 : x
  2. Step 2: Convert to fraction form
    10,516.37/15,770.24 = 3,939.17/x
  3. Step 3: Cross multiply
    10,516.37x = 15,770.24 × 3,939.17
  4. Step 4: Simplify right side
    10,516.37x = 62,121,636.60
  5. Step 5: Solve for x
    x = 62,121,636.60/10,516.37
  6. Step 6: Final answer
    x = 5,907.14

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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.