Home / 10,189.67-15,281.97-2,793.76

Finding the Fourth Proportional to 10,189.67, 15,281.97 and 2,793.76

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Solution

The fourth proportional to 10,189.67, 15,281.97 and 2,793.76 is: 4,189.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,189.67 : 15,281.97 = 2,793.76 : x
  2. Step 2: Convert to fraction form
    10,189.67/15,281.97 = 2,793.76/x
  3. Step 3: Cross multiply
    10,189.67x = 15,281.97 × 2,793.76
  4. Step 4: Simplify right side
    10,189.67x = 42,694,107.83
  5. Step 5: Solve for x
    x = 42,694,107.83/10,189.67
  6. Step 6: Final answer
    x = 4,189.94

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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.