Home / 14,002.92-20,999.44-4,139.56

Finding the Fourth Proportional to 14,002.92, 20,999.44 and 4,139.56

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Solution

The fourth proportional to 14,002.92, 20,999.44 and 4,139.56 is: 6,207.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,002.92 : 20,999.44 = 4,139.56 : x
  2. Step 2: Convert to fraction form
    14,002.92/20,999.44 = 4,139.56/x
  3. Step 3: Cross multiply
    14,002.92x = 20,999.44 × 4,139.56
  4. Step 4: Simplify right side
    14,002.92x = 86,928,441.85
  5. Step 5: Solve for x
    x = 86,928,441.85/14,002.92
  6. Step 6: Final answer
    x = 6,207.88

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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.