Home / 9,103.20-13,647.30-4,105.90

Finding the Fourth Proportional to 9,103.20, 13,647.30 and 4,105.90

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Solution

The fourth proportional to 9,103.20, 13,647.30 and 4,105.90 is: 6,155.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,103.20 : 13,647.30 = 4,105.90 : x
  2. Step 2: Convert to fraction form
    9,103.20/13,647.30 = 4,105.90/x
  3. Step 3: Cross multiply
    9,103.20x = 13,647.30 × 4,105.90
  4. Step 4: Simplify right side
    9,103.20x = 56,034,449.07
  5. Step 5: Solve for x
    x = 56,034,449.07/9,103.20
  6. Step 6: Final answer
    x = 6,155.47

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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.