Home / 11,977.77-17,950.19-6,122.15

Finding the Fourth Proportional to 11,977.77, 17,950.19 and 6,122.15

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Solution

The fourth proportional to 11,977.77, 17,950.19 and 6,122.15 is: 9,174.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977.77 : 17,950.19 = 6,122.15 : x
  2. Step 2: Convert to fraction form
    11,977.77/17,950.19 = 6,122.15/x
  3. Step 3: Cross multiply
    11,977.77x = 17,950.19 × 6,122.15
  4. Step 4: Simplify right side
    11,977.77x = 109,893,635.35
  5. Step 5: Solve for x
    x = 109,893,635.35/11,977.77
  6. Step 6: Final answer
    x = 9,174.80

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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.