Home / 12,193.99-18,278.43-4,795.45

Finding the Fourth Proportional to 12,193.99, 18,278.43 and 4,795.45

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Solution

The fourth proportional to 12,193.99, 18,278.43 and 4,795.45 is: 7,188.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,193.99 : 18,278.43 = 4,795.45 : x
  2. Step 2: Convert to fraction form
    12,193.99/18,278.43 = 4,795.45/x
  3. Step 3: Cross multiply
    12,193.99x = 18,278.43 × 4,795.45
  4. Step 4: Simplify right side
    12,193.99x = 87,653,297.14
  5. Step 5: Solve for x
    x = 87,653,297.14/12,193.99
  6. Step 6: Final answer
    x = 7,188.24

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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.