Home / 11,882.74-16,380.71-9,045.17

Finding the Fourth Proportional to 11,882.74, 16,380.71 and 9,045.17

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Solution

The fourth proportional to 11,882.74, 16,380.71 and 9,045.17 is: 12,469.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,882.74 : 16,380.71 = 9,045.17 : x
  2. Step 2: Convert to fraction form
    11,882.74/16,380.71 = 9,045.17/x
  3. Step 3: Cross multiply
    11,882.74x = 16,380.71 × 9,045.17
  4. Step 4: Simplify right side
    11,882.74x = 148,166,190.85
  5. Step 5: Solve for x
    x = 148,166,190.85/11,882.74
  6. Step 6: Final answer
    x = 12,469.03

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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.