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Finding the Fourth Proportional to 22,332.86, 33,450.08 and 12,447.62

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Solution

The fourth proportional to 22,332.86, 33,450.08 and 12,447.62 is: 18,644.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,332.86 : 33,450.08 = 12,447.62 : x
  2. Step 2: Convert to fraction form
    22,332.86/33,450.08 = 12,447.62/x
  3. Step 3: Cross multiply
    22,332.86x = 33,450.08 × 12,447.62
  4. Step 4: Simplify right side
    22,332.86x = 416,373,884.81
  5. Step 5: Solve for x
    x = 416,373,884.81/22,332.86
  6. Step 6: Final answer
    x = 18,644.00

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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.