Home / 10,175.25-15,263.82-3,155.32

Finding the Fourth Proportional to 10,175.25, 15,263.82 and 3,155.32

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Solution

The fourth proportional to 10,175.25, 15,263.82 and 3,155.32 is: 4,733.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,175.25 : 15,263.82 = 3,155.32 : x
  2. Step 2: Convert to fraction form
    10,175.25/15,263.82 = 3,155.32/x
  3. Step 3: Cross multiply
    10,175.25x = 15,263.82 × 3,155.32
  4. Step 4: Simplify right side
    10,175.25x = 48,162,236.52
  5. Step 5: Solve for x
    x = 48,162,236.52/10,175.25
  6. Step 6: Final answer
    x = 4,733.27

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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.