Home / 20,162.35-30,249.60-14,330.35

Finding the Fourth Proportional to 20,162.35, 30,249.60 and 14,330.35

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Solution

The fourth proportional to 20,162.35, 30,249.60 and 14,330.35 is: 21,499.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162.35 : 30,249.60 = 14,330.35 : x
  2. Step 2: Convert to fraction form
    20,162.35/30,249.60 = 14,330.35/x
  3. Step 3: Cross multiply
    20,162.35x = 30,249.60 × 14,330.35
  4. Step 4: Simplify right side
    20,162.35x = 433,487,355.36
  5. Step 5: Solve for x
    x = 433,487,355.36/20,162.35
  6. Step 6: Final answer
    x = 21,499.84

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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.