Home / 10,286.97-15,430.54-3,713.14

Finding the Fourth Proportional to 10,286.97, 15,430.54 and 3,713.14

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Solution

The fourth proportional to 10,286.97, 15,430.54 and 3,713.14 is: 5,569.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.97 : 15,430.54 = 3,713.14 : x
  2. Step 2: Convert to fraction form
    10,286.97/15,430.54 = 3,713.14/x
  3. Step 3: Cross multiply
    10,286.97x = 15,430.54 × 3,713.14
  4. Step 4: Simplify right side
    10,286.97x = 57,295,755.30
  5. Step 5: Solve for x
    x = 57,295,755.30/10,286.97
  6. Step 6: Final answer
    x = 5,569.74

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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.