Home / 12,222.99-18,333.87-6,687.14

Finding the Fourth Proportional to 12,222.99, 18,333.87 and 6,687.14

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Solution

The fourth proportional to 12,222.99, 18,333.87 and 6,687.14 is: 10,030.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,222.99 : 18,333.87 = 6,687.14 : x
  2. Step 2: Convert to fraction form
    12,222.99/18,333.87 = 6,687.14/x
  3. Step 3: Cross multiply
    12,222.99x = 18,333.87 × 6,687.14
  4. Step 4: Simplify right side
    12,222.99x = 122,601,155.43
  5. Step 5: Solve for x
    x = 122,601,155.43/12,222.99
  6. Step 6: Final answer
    x = 10,030.37

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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.