Home / 45,177.03-67,768.87-11,896.86

Finding the Fourth Proportional to 45,177.03, 67,768.87 and 11,896.86

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Solution

The fourth proportional to 45,177.03, 67,768.87 and 11,896.86 is: 17,846.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,177.03 : 67,768.87 = 11,896.86 : x
  2. Step 2: Convert to fraction form
    45,177.03/67,768.87 = 11,896.86/x
  3. Step 3: Cross multiply
    45,177.03x = 67,768.87 × 11,896.86
  4. Step 4: Simplify right side
    45,177.03x = 806,236,758.75
  5. Step 5: Solve for x
    x = 806,236,758.75/45,177.03
  6. Step 6: Final answer
    x = 17,846.17

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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.