Home / 9,403.80-14,105.30-3,855.32

Finding the Fourth Proportional to 9,403.80, 14,105.30 and 3,855.32

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Solution

The fourth proportional to 9,403.80, 14,105.30 and 3,855.32 is: 5,782.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,403.80 : 14,105.30 = 3,855.32 : x
  2. Step 2: Convert to fraction form
    9,403.80/14,105.30 = 3,855.32/x
  3. Step 3: Cross multiply
    9,403.80x = 14,105.30 × 3,855.32
  4. Step 4: Simplify right side
    9,403.80x = 54,380,445.20
  5. Step 5: Solve for x
    x = 54,380,445.20/9,403.80
  6. Step 6: Final answer
    x = 5,782.82

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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.