Home / 17,777.27-26,670.83-7,780.22

Finding the Fourth Proportional to 17,777.27, 26,670.83 and 7,780.22

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Solution

The fourth proportional to 17,777.27, 26,670.83 and 7,780.22 is: 11,672.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,777.27 : 26,670.83 = 7,780.22 : x
  2. Step 2: Convert to fraction form
    17,777.27/26,670.83 = 7,780.22/x
  3. Step 3: Cross multiply
    17,777.27x = 26,670.83 × 7,780.22
  4. Step 4: Simplify right side
    17,777.27x = 207,504,752.73
  5. Step 5: Solve for x
    x = 207,504,752.73/17,777.27
  6. Step 6: Final answer
    x = 11,672.48

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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.