Home / 22,421.45-33,620.49-8,369.92

Finding the Fourth Proportional to 22,421.45, 33,620.49 and 8,369.92

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Solution

The fourth proportional to 22,421.45, 33,620.49 and 8,369.92 is: 12,550.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421.45 : 33,620.49 = 8,369.92 : x
  2. Step 2: Convert to fraction form
    22,421.45/33,620.49 = 8,369.92/x
  3. Step 3: Cross multiply
    22,421.45x = 33,620.49 × 8,369.92
  4. Step 4: Simplify right side
    22,421.45x = 281,400,601.71
  5. Step 5: Solve for x
    x = 281,400,601.71/22,421.45
  6. Step 6: Final answer
    x = 12,550.51

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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.