Home / 18,962.62-28,434.56-5,811.82

Finding the Fourth Proportional to 18,962.62, 28,434.56 and 5,811.82

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Solution

The fourth proportional to 18,962.62, 28,434.56 and 5,811.82 is: 8,714.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,962.62 : 28,434.56 = 5,811.82 : x
  2. Step 2: Convert to fraction form
    18,962.62/28,434.56 = 5,811.82/x
  3. Step 3: Cross multiply
    18,962.62x = 28,434.56 × 5,811.82
  4. Step 4: Simplify right side
    18,962.62x = 165,256,402.33
  5. Step 5: Solve for x
    x = 165,256,402.33/18,962.62
  6. Step 6: Final answer
    x = 8,714.85

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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.