Home / 10,090.25-15,135.44-3,516.56

Finding the Fourth Proportional to 10,090.25, 15,135.44 and 3,516.56

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Solution

The fourth proportional to 10,090.25, 15,135.44 and 3,516.56 is: 5,274.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,090.25 : 15,135.44 = 3,516.56 : x
  2. Step 2: Convert to fraction form
    10,090.25/15,135.44 = 3,516.56/x
  3. Step 3: Cross multiply
    10,090.25x = 15,135.44 × 3,516.56
  4. Step 4: Simplify right side
    10,090.25x = 53,224,682.89
  5. Step 5: Solve for x
    x = 53,224,682.89/10,090.25
  6. Step 6: Final answer
    x = 5,274.86

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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.