Home / 10,502.73-15,749.48-3,107.76

Finding the Fourth Proportional to 10,502.73, 15,749.48 and 3,107.76

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Solution

The fourth proportional to 10,502.73, 15,749.48 and 3,107.76 is: 4,660.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502.73 : 15,749.48 = 3,107.76 : x
  2. Step 2: Convert to fraction form
    10,502.73/15,749.48 = 3,107.76/x
  3. Step 3: Cross multiply
    10,502.73x = 15,749.48 × 3,107.76
  4. Step 4: Simplify right side
    10,502.73x = 48,945,608.34
  5. Step 5: Solve for x
    x = 48,945,608.34/10,502.73
  6. Step 6: Final answer
    x = 4,660.28

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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.