Home / 19,730.06-27,227.67-11,775.86

Finding the Fourth Proportional to 19,730.06, 27,227.67 and 11,775.86

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Solution

The fourth proportional to 19,730.06, 27,227.67 and 11,775.86 is: 16,250.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,730.06 : 27,227.67 = 11,775.86 : x
  2. Step 2: Convert to fraction form
    19,730.06/27,227.67 = 11,775.86/x
  3. Step 3: Cross multiply
    19,730.06x = 27,227.67 × 11,775.86
  4. Step 4: Simplify right side
    19,730.06x = 320,629,230.05
  5. Step 5: Solve for x
    x = 320,629,230.05/19,730.06
  6. Step 6: Final answer
    x = 16,250.80

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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.