Home / 20,550.96-30,832.11-7,403.04

Finding the Fourth Proportional to 20,550.96, 30,832.11 and 7,403.04

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Solution

The fourth proportional to 20,550.96, 30,832.11 and 7,403.04 is: 11,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,550.96 : 30,832.11 = 7,403.04 : x
  2. Step 2: Convert to fraction form
    20,550.96/30,832.11 = 7,403.04/x
  3. Step 3: Cross multiply
    20,550.96x = 30,832.11 × 7,403.04
  4. Step 4: Simplify right side
    20,550.96x = 228,251,343.61
  5. Step 5: Solve for x
    x = 228,251,343.61/20,550.96
  6. Step 6: Final answer
    x = 11,106.60

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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.