Home / 10,103.27-15,154.89-3,863.90

Finding the Fourth Proportional to 10,103.27, 15,154.89 and 3,863.90

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Solution

The fourth proportional to 10,103.27, 15,154.89 and 3,863.90 is: 5,795.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,103.27 : 15,154.89 = 3,863.90 : x
  2. Step 2: Convert to fraction form
    10,103.27/15,154.89 = 3,863.90/x
  3. Step 3: Cross multiply
    10,103.27x = 15,154.89 × 3,863.90
  4. Step 4: Simplify right side
    10,103.27x = 58,557,060.26
  5. Step 5: Solve for x
    x = 58,557,060.26/10,103.27
  6. Step 6: Final answer
    x = 5,795.86

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1.5x scale

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.