Home / 15,450.01-21,300.39-12,273.85

Finding the Fourth Proportional to 15,450.01, 21,300.39 and 12,273.85

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Solution

The fourth proportional to 15,450.01, 21,300.39 and 12,273.85 is: 16,921.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,450.01 : 21,300.39 = 12,273.85 : x
  2. Step 2: Convert to fraction form
    15,450.01/21,300.39 = 12,273.85/x
  3. Step 3: Cross multiply
    15,450.01x = 21,300.39 × 12,273.85
  4. Step 4: Simplify right side
    15,450.01x = 261,437,791.80
  5. Step 5: Solve for x
    x = 261,437,791.80/15,450.01
  6. Step 6: Final answer
    x = 16,921.53

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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.