Home / 10,668.87-15,996.83-5,471.91

Finding the Fourth Proportional to 10,668.87, 15,996.83 and 5,471.91

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Solution

The fourth proportional to 10,668.87, 15,996.83 and 5,471.91 is: 8,204.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,668.87 : 15,996.83 = 5,471.91 : x
  2. Step 2: Convert to fraction form
    10,668.87/15,996.83 = 5,471.91/x
  3. Step 3: Cross multiply
    10,668.87x = 15,996.83 × 5,471.91
  4. Step 4: Simplify right side
    10,668.87x = 87,533,186.69
  5. Step 5: Solve for x
    x = 87,533,186.69/10,668.87
  6. Step 6: Final answer
    x = 8,204.54

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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.