Home / 20,327.36-30,494.44-6,999.80

Finding the Fourth Proportional to 20,327.36, 30,494.44 and 6,999.80

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Solution

The fourth proportional to 20,327.36, 30,494.44 and 6,999.80 is: 10,500.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,327.36 : 30,494.44 = 6,999.80 : x
  2. Step 2: Convert to fraction form
    20,327.36/30,494.44 = 6,999.80/x
  3. Step 3: Cross multiply
    20,327.36x = 30,494.44 × 6,999.80
  4. Step 4: Simplify right side
    20,327.36x = 213,454,981.11
  5. Step 5: Solve for x
    x = 213,454,981.11/20,327.36
  6. Step 6: Final answer
    x = 10,500.87

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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.