Home / 10,286.93-15,428.77-3,709.73

Finding the Fourth Proportional to 10,286.93, 15,428.77 and 3,709.73

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Solution

The fourth proportional to 10,286.93, 15,428.77 and 3,709.73 is: 5,564.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.93 : 15,428.77 = 3,709.73 : x
  2. Step 2: Convert to fraction form
    10,286.93/15,428.77 = 3,709.73/x
  3. Step 3: Cross multiply
    10,286.93x = 15,428.77 × 3,709.73
  4. Step 4: Simplify right side
    10,286.93x = 57,236,570.93
  5. Step 5: Solve for x
    x = 57,236,570.93/10,286.93
  6. Step 6: Final answer
    x = 5,564.01

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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.