Home / 11,922.84-16,454.27-6,617.75

Finding the Fourth Proportional to 11,922.84, 16,454.27 and 6,617.75

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Solution

The fourth proportional to 11,922.84, 16,454.27 and 6,617.75 is: 9,132.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,922.84 : 16,454.27 = 6,617.75 : x
  2. Step 2: Convert to fraction form
    11,922.84/16,454.27 = 6,617.75/x
  3. Step 3: Cross multiply
    11,922.84x = 16,454.27 × 6,617.75
  4. Step 4: Simplify right side
    11,922.84x = 108,890,129.93
  5. Step 5: Solve for x
    x = 108,890,129.93/11,922.84
  6. Step 6: Final answer
    x = 9,132.90

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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.