Home / 10,134.64-15,203.56-3,561.48

Finding the Fourth Proportional to 10,134.64, 15,203.56 and 3,561.48

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Solution

The fourth proportional to 10,134.64, 15,203.56 and 3,561.48 is: 5,342.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134.64 : 15,203.56 = 3,561.48 : x
  2. Step 2: Convert to fraction form
    10,134.64/15,203.56 = 3,561.48/x
  3. Step 3: Cross multiply
    10,134.64x = 15,203.56 × 3,561.48
  4. Step 4: Simplify right side
    10,134.64x = 54,147,174.87
  5. Step 5: Solve for x
    x = 54,147,174.87/10,134.64
  6. Step 6: Final answer
    x = 5,342.78

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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.