Home / 12,272.41-18,403.14-4,475.75

Finding the Fourth Proportional to 12,272.41, 18,403.14 and 4,475.75

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Solution

The fourth proportional to 12,272.41, 18,403.14 and 4,475.75 is: 6,711.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272.41 : 18,403.14 = 4,475.75 : x
  2. Step 2: Convert to fraction form
    12,272.41/18,403.14 = 4,475.75/x
  3. Step 3: Cross multiply
    12,272.41x = 18,403.14 × 4,475.75
  4. Step 4: Simplify right side
    12,272.41x = 82,367,853.86
  5. Step 5: Solve for x
    x = 82,367,853.86/12,272.41
  6. Step 6: Final answer
    x = 6,711.63

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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.