Home / 11,903.96-17,850.31-4,405.05

Finding the Fourth Proportional to 11,903.96, 17,850.31 and 4,405.05

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Solution

The fourth proportional to 11,903.96, 17,850.31 and 4,405.05 is: 6,605.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,903.96 : 17,850.31 = 4,405.05 : x
  2. Step 2: Convert to fraction form
    11,903.96/17,850.31 = 4,405.05/x
  3. Step 3: Cross multiply
    11,903.96x = 17,850.31 × 4,405.05
  4. Step 4: Simplify right side
    11,903.96x = 78,631,497.05
  5. Step 5: Solve for x
    x = 78,631,497.05/11,903.96
  6. Step 6: Final answer
    x = 6,605.49

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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.