Home / 10,446.54-15,669.97-3,427.11

Finding the Fourth Proportional to 10,446.54, 15,669.97 and 3,427.11

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Solution

The fourth proportional to 10,446.54, 15,669.97 and 3,427.11 is: 5,140.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,446.54 : 15,669.97 = 3,427.11 : x
  2. Step 2: Convert to fraction form
    10,446.54/15,669.97 = 3,427.11/x
  3. Step 3: Cross multiply
    10,446.54x = 15,669.97 × 3,427.11
  4. Step 4: Simplify right side
    10,446.54x = 53,702,678.45
  5. Step 5: Solve for x
    x = 53,702,678.45/10,446.54
  6. Step 6: Final answer
    x = 5,140.71

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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.