Home / 19,620.86-27,072.92-11,007.32

Finding the Fourth Proportional to 19,620.86, 27,072.92 and 11,007.32

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Solution

The fourth proportional to 19,620.86, 27,072.92 and 11,007.32 is: 15,187.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620.86 : 27,072.92 = 11,007.32 : x
  2. Step 2: Convert to fraction form
    19,620.86/27,072.92 = 11,007.32/x
  3. Step 3: Cross multiply
    19,620.86x = 27,072.92 × 11,007.32
  4. Step 4: Simplify right side
    19,620.86x = 298,000,238.74
  5. Step 5: Solve for x
    x = 298,000,238.74/19,620.86
  6. Step 6: Final answer
    x = 15,187.93

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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.