Home / 10,620.26-15,930.56-4,046.82

Finding the Fourth Proportional to 10,620.26, 15,930.56 and 4,046.82

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Solution

The fourth proportional to 10,620.26, 15,930.56 and 4,046.82 is: 6,070.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620.26 : 15,930.56 = 4,046.82 : x
  2. Step 2: Convert to fraction form
    10,620.26/15,930.56 = 4,046.82/x
  3. Step 3: Cross multiply
    10,620.26x = 15,930.56 × 4,046.82
  4. Step 4: Simplify right side
    10,620.26x = 64,468,108.82
  5. Step 5: Solve for x
    x = 64,468,108.82/10,620.26
  6. Step 6: Final answer
    x = 6,070.29

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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.