Home / 10,103.43-15,157.49-3,177.75

Finding the Fourth Proportional to 10,103.43, 15,157.49 and 3,177.75

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Solution

The fourth proportional to 10,103.43, 15,157.49 and 3,177.75 is: 4,767.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,103.43 : 15,157.49 = 3,177.75 : x
  2. Step 2: Convert to fraction form
    10,103.43/15,157.49 = 3,177.75/x
  3. Step 3: Cross multiply
    10,103.43x = 15,157.49 × 3,177.75
  4. Step 4: Simplify right side
    10,103.43x = 48,166,697.96
  5. Step 5: Solve for x
    x = 48,166,697.96/10,103.43
  6. Step 6: Final answer
    x = 4,767.36

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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.