Home / 10,921.57-16,383.42-4,346.22

Finding the Fourth Proportional to 10,921.57, 16,383.42 and 4,346.22

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Solution

The fourth proportional to 10,921.57, 16,383.42 and 4,346.22 is: 6,519.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921.57 : 16,383.42 = 4,346.22 : x
  2. Step 2: Convert to fraction form
    10,921.57/16,383.42 = 4,346.22/x
  3. Step 3: Cross multiply
    10,921.57x = 16,383.42 × 4,346.22
  4. Step 4: Simplify right side
    10,921.57x = 71,205,947.67
  5. Step 5: Solve for x
    x = 71,205,947.67/10,921.57
  6. Step 6: Final answer
    x = 6,519.75

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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.