Home / 11,819.51-17,734.34-4,423.02

Finding the Fourth Proportional to 11,819.51, 17,734.34 and 4,423.02

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Solution

The fourth proportional to 11,819.51, 17,734.34 and 4,423.02 is: 6,636.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,819.51 : 17,734.34 = 4,423.02 : x
  2. Step 2: Convert to fraction form
    11,819.51/17,734.34 = 4,423.02/x
  3. Step 3: Cross multiply
    11,819.51x = 17,734.34 × 4,423.02
  4. Step 4: Simplify right side
    11,819.51x = 78,439,318.39
  5. Step 5: Solve for x
    x = 78,439,318.39/11,819.51
  6. Step 6: Final answer
    x = 6,636.43

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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.