Home / 20,175.05-30,262.79-6,137.36

Finding the Fourth Proportional to 20,175.05, 30,262.79 and 6,137.36

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Solution

The fourth proportional to 20,175.05, 30,262.79 and 6,137.36 is: 9,206.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,175.05 : 30,262.79 = 6,137.36 : x
  2. Step 2: Convert to fraction form
    20,175.05/30,262.79 = 6,137.36/x
  3. Step 3: Cross multiply
    20,175.05x = 30,262.79 × 6,137.36
  4. Step 4: Simplify right side
    20,175.05x = 185,733,636.83
  5. Step 5: Solve for x
    x = 185,733,636.83/20,175.05
  6. Step 6: Final answer
    x = 9,206.11

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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.