Home / 22,321.60-30,804.13-12,249.86

Finding the Fourth Proportional to 22,321.60, 30,804.13 and 12,249.86

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Solution

The fourth proportional to 22,321.60, 30,804.13 and 12,249.86 is: 16,904.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,321.60 : 30,804.13 = 12,249.86 : x
  2. Step 2: Convert to fraction form
    22,321.60/30,804.13 = 12,249.86/x
  3. Step 3: Cross multiply
    22,321.60x = 30,804.13 × 12,249.86
  4. Step 4: Simplify right side
    22,321.60x = 377,346,279.92
  5. Step 5: Solve for x
    x = 377,346,279.92/22,321.60
  6. Step 6: Final answer
    x = 16,904.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.