Home / 10,879.05-16,325.87-3,953.55

Finding the Fourth Proportional to 10,879.05, 16,325.87 and 3,953.55

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Solution

The fourth proportional to 10,879.05, 16,325.87 and 3,953.55 is: 5,932.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879.05 : 16,325.87 = 3,953.55 : x
  2. Step 2: Convert to fraction form
    10,879.05/16,325.87 = 3,953.55/x
  3. Step 3: Cross multiply
    10,879.05x = 16,325.87 × 3,953.55
  4. Step 4: Simplify right side
    10,879.05x = 64,545,123.57
  5. Step 5: Solve for x
    x = 64,545,123.57/10,879.05
  6. Step 6: Final answer
    x = 5,932.97

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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.