Home / 13,944.08-20,911.70-4,581.95

Finding the Fourth Proportional to 13,944.08, 20,911.70 and 4,581.95

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Solution

The fourth proportional to 13,944.08, 20,911.70 and 4,581.95 is: 6,871.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.08 : 20,911.70 = 4,581.95 : x
  2. Step 2: Convert to fraction form
    13,944.08/20,911.70 = 4,581.95/x
  3. Step 3: Cross multiply
    13,944.08x = 20,911.70 × 4,581.95
  4. Step 4: Simplify right side
    13,944.08x = 95,816,236.35
  5. Step 5: Solve for x
    x = 95,816,236.35/13,944.08
  6. Step 6: Final answer
    x = 6,871.46

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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.