Home / 21,977.06-32,950.94-7,180.79

Finding the Fourth Proportional to 21,977.06, 32,950.94 and 7,180.79

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Solution

The fourth proportional to 21,977.06, 32,950.94 and 7,180.79 is: 10,766.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,977.06 : 32,950.94 = 7,180.79 : x
  2. Step 2: Convert to fraction form
    21,977.06/32,950.94 = 7,180.79/x
  3. Step 3: Cross multiply
    21,977.06x = 32,950.94 × 7,180.79
  4. Step 4: Simplify right side
    21,977.06x = 236,613,579.78
  5. Step 5: Solve for x
    x = 236,613,579.78/21,977.06
  6. Step 6: Final answer
    x = 10,766.39

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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.