Home / 9,489.15-14,231.84-3,248.64

Finding the Fourth Proportional to 9,489.15, 14,231.84 and 3,248.64

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Solution

The fourth proportional to 9,489.15, 14,231.84 and 3,248.64 is: 4,872.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,489.15 : 14,231.84 = 3,248.64 : x
  2. Step 2: Convert to fraction form
    9,489.15/14,231.84 = 3,248.64/x
  3. Step 3: Cross multiply
    9,489.15x = 14,231.84 × 3,248.64
  4. Step 4: Simplify right side
    9,489.15x = 46,234,108.45
  5. Step 5: Solve for x
    x = 46,234,108.45/9,489.15
  6. Step 6: Final answer
    x = 4,872.31

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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.