Home / 10,103.64-15,155.49-3,529.83

Finding the Fourth Proportional to 10,103.64, 15,155.49 and 3,529.83

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Solution

The fourth proportional to 10,103.64, 15,155.49 and 3,529.83 is: 5,294.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,103.64 : 15,155.49 = 3,529.83 : x
  2. Step 2: Convert to fraction form
    10,103.64/15,155.49 = 3,529.83/x
  3. Step 3: Cross multiply
    10,103.64x = 15,155.49 × 3,529.83
  4. Step 4: Simplify right side
    10,103.64x = 53,496,220.87
  5. Step 5: Solve for x
    x = 53,496,220.87/10,103.64
  6. Step 6: Final answer
    x = 5,294.75

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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.