Home / 11,818.21-17,730.39-4,423.24

Finding the Fourth Proportional to 11,818.21, 17,730.39 and 4,423.24

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Solution

The fourth proportional to 11,818.21, 17,730.39 and 4,423.24 is: 6,636.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.21 : 17,730.39 = 4,423.24 : x
  2. Step 2: Convert to fraction form
    11,818.21/17,730.39 = 4,423.24/x
  3. Step 3: Cross multiply
    11,818.21x = 17,730.39 × 4,423.24
  4. Step 4: Simplify right side
    11,818.21x = 78,425,770.26
  5. Step 5: Solve for x
    x = 78,425,770.26/11,818.21
  6. Step 6: Final answer
    x = 6,636.01

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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.