Home / 11,738.20-17,613.70-4,813.40

Finding the Fourth Proportional to 11,738.20, 17,613.70 and 4,813.40

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Solution

The fourth proportional to 11,738.20, 17,613.70 and 4,813.40 is: 7,222.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,738.20 : 17,613.70 = 4,813.40 : x
  2. Step 2: Convert to fraction form
    11,738.20/17,613.70 = 4,813.40/x
  3. Step 3: Cross multiply
    11,738.20x = 17,613.70 × 4,813.40
  4. Step 4: Simplify right side
    11,738.20x = 84,781,783.58
  5. Step 5: Solve for x
    x = 84,781,783.58/11,738.20
  6. Step 6: Final answer
    x = 7,222.72

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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.