Home / 12,441.22-18,661.70-5,043.92

Finding the Fourth Proportional to 12,441.22, 18,661.70 and 5,043.92

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Solution

The fourth proportional to 12,441.22, 18,661.70 and 5,043.92 is: 7,565.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,441.22 : 18,661.70 = 5,043.92 : x
  2. Step 2: Convert to fraction form
    12,441.22/18,661.70 = 5,043.92/x
  3. Step 3: Cross multiply
    12,441.22x = 18,661.70 × 5,043.92
  4. Step 4: Simplify right side
    12,441.22x = 94,128,121.86
  5. Step 5: Solve for x
    x = 94,128,121.86/12,441.22
  6. Step 6: Final answer
    x = 7,565.83

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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.