Home / 10,930.87-16,383.55-4,358.94

Finding the Fourth Proportional to 10,930.87, 16,383.55 and 4,358.94

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Solution

The fourth proportional to 10,930.87, 16,383.55 and 4,358.94 is: 6,533.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,930.87 : 16,383.55 = 4,358.94 : x
  2. Step 2: Convert to fraction form
    10,930.87/16,383.55 = 4,358.94/x
  3. Step 3: Cross multiply
    10,930.87x = 16,383.55 × 4,358.94
  4. Step 4: Simplify right side
    10,930.87x = 71,414,911.44
  5. Step 5: Solve for x
    x = 71,414,911.44/10,930.87
  6. Step 6: Final answer
    x = 6,533.32

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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.