Home / 13,277.22-18,318.84-8,241.65

Finding the Fourth Proportional to 13,277.22, 18,318.84 and 8,241.65

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Solution

The fourth proportional to 13,277.22, 18,318.84 and 8,241.65 is: 11,371.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.22 : 18,318.84 = 8,241.65 : x
  2. Step 2: Convert to fraction form
    13,277.22/18,318.84 = 8,241.65/x
  3. Step 3: Cross multiply
    13,277.22x = 18,318.84 × 8,241.65
  4. Step 4: Simplify right side
    13,277.22x = 150,977,376.09
  5. Step 5: Solve for x
    x = 150,977,376.09/13,277.22
  6. Step 6: Final answer
    x = 11,371.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.