Home / 11,190.27-16,770.28-4,260.99

Finding the Fourth Proportional to 11,190.27, 16,770.28 and 4,260.99

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Solution

The fourth proportional to 11,190.27, 16,770.28 and 4,260.99 is: 6,385.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.27 : 16,770.28 = 4,260.99 : x
  2. Step 2: Convert to fraction form
    11,190.27/16,770.28 = 4,260.99/x
  3. Step 3: Cross multiply
    11,190.27x = 16,770.28 × 4,260.99
  4. Step 4: Simplify right side
    11,190.27x = 71,457,995.38
  5. Step 5: Solve for x
    x = 71,457,995.38/11,190.27
  6. Step 6: Final answer
    x = 6,385.73

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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.