Home / 11,818.46-17,730.77-4,423.49

Finding the Fourth Proportional to 11,818.46, 17,730.77 and 4,423.49

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Solution

The fourth proportional to 11,818.46, 17,730.77 and 4,423.49 is: 6,636.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.46 : 17,730.77 = 4,423.49 : x
  2. Step 2: Convert to fraction form
    11,818.46/17,730.77 = 4,423.49/x
  3. Step 3: Cross multiply
    11,818.46x = 17,730.77 × 4,423.49
  4. Step 4: Simplify right side
    11,818.46x = 78,431,883.79
  5. Step 5: Solve for x
    x = 78,431,883.79/11,818.46
  6. Step 6: Final answer
    x = 6,636.39

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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.