Home / 11,230.20-16,818.96-5,670

Finding the Fourth Proportional to 11,230.20, 16,818.96 and 5,670

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Solution

The fourth proportional to 11,230.20, 16,818.96 and 5,670 is: 8,491.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,230.20 : 16,818.96 = 5,670 : x
  2. Step 2: Convert to fraction form
    11,230.20/16,818.96 = 5,670/x
  3. Step 3: Cross multiply
    11,230.20x = 16,818.96 × 5,670
  4. Step 4: Simplify right side
    11,230.20x = 95,363,503.20
  5. Step 5: Solve for x
    x = 95,363,503.20/11,230.20
  6. Step 6: Final answer
    x = 8,491.70

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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.