Home / 10,528.75-15,793.20-7,231.85

Finding the Fourth Proportional to 10,528.75, 15,793.20 and 7,231.85

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Solution

The fourth proportional to 10,528.75, 15,793.20 and 7,231.85 is: 10,847.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,528.75 : 15,793.20 = 7,231.85 : x
  2. Step 2: Convert to fraction form
    10,528.75/15,793.20 = 7,231.85/x
  3. Step 3: Cross multiply
    10,528.75x = 15,793.20 × 7,231.85
  4. Step 4: Simplify right side
    10,528.75x = 114,214,053.42
  5. Step 5: Solve for x
    x = 114,214,053.42/10,528.75
  6. Step 6: Final answer
    x = 10,847.83

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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.