Home / 11,450.80-15,793.21-7,672.76

Finding the Fourth Proportional to 11,450.80, 15,793.21 and 7,672.76

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Solution

The fourth proportional to 11,450.80, 15,793.21 and 7,672.76 is: 10,582.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,450.80 : 15,793.21 = 7,672.76 : x
  2. Step 2: Convert to fraction form
    11,450.80/15,793.21 = 7,672.76/x
  3. Step 3: Cross multiply
    11,450.80x = 15,793.21 × 7,672.76
  4. Step 4: Simplify right side
    11,450.80x = 121,177,509.96
  5. Step 5: Solve for x
    x = 121,177,509.96/11,450.80
  6. Step 6: Final answer
    x = 10,582.45

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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.