Home / 9,431.61-14,137.68-3,189.57

Finding the Fourth Proportional to 9,431.61, 14,137.68 and 3,189.57

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Solution

The fourth proportional to 9,431.61, 14,137.68 and 3,189.57 is: 4,781.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.61 : 14,137.68 = 3,189.57 : x
  2. Step 2: Convert to fraction form
    9,431.61/14,137.68 = 3,189.57/x
  3. Step 3: Cross multiply
    9,431.61x = 14,137.68 × 3,189.57
  4. Step 4: Simplify right side
    9,431.61x = 45,093,120.00
  5. Step 5: Solve for x
    x = 45,093,120.00/9,431.61
  6. Step 6: Final answer
    x = 4,781.06

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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.