Home / 20,060.36-27,684.16-11,107.86

Finding the Fourth Proportional to 20,060.36, 27,684.16 and 11,107.86

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Solution

The fourth proportional to 20,060.36, 27,684.16 and 11,107.86 is: 15,329.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,060.36 : 27,684.16 = 11,107.86 : x
  2. Step 2: Convert to fraction form
    20,060.36/27,684.16 = 11,107.86/x
  3. Step 3: Cross multiply
    20,060.36x = 27,684.16 × 11,107.86
  4. Step 4: Simplify right side
    20,060.36x = 307,511,773.50
  5. Step 5: Solve for x
    x = 307,511,773.50/20,060.36
  6. Step 6: Final answer
    x = 15,329.32

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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.