Home / 10,879.28-16,318.98-3,953.60

Finding the Fourth Proportional to 10,879.28, 16,318.98 and 3,953.60

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Solution

The fourth proportional to 10,879.28, 16,318.98 and 3,953.60 is: 5,930.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879.28 : 16,318.98 = 3,953.60 : x
  2. Step 2: Convert to fraction form
    10,879.28/16,318.98 = 3,953.60/x
  3. Step 3: Cross multiply
    10,879.28x = 16,318.98 × 3,953.60
  4. Step 4: Simplify right side
    10,879.28x = 64,518,719.33
  5. Step 5: Solve for x
    x = 64,518,719.33/10,879.28
  6. Step 6: Final answer
    x = 5,930.42

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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.