Home / 12,222.44-18,333.73-4,431.05

Finding the Fourth Proportional to 12,222.44, 18,333.73 and 4,431.05

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Solution

The fourth proportional to 12,222.44, 18,333.73 and 4,431.05 is: 6,646.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,222.44 : 18,333.73 = 4,431.05 : x
  2. Step 2: Convert to fraction form
    12,222.44/18,333.73 = 4,431.05/x
  3. Step 3: Cross multiply
    12,222.44x = 18,333.73 × 4,431.05
  4. Step 4: Simplify right side
    12,222.44x = 81,237,674.32
  5. Step 5: Solve for x
    x = 81,237,674.32/12,222.44
  6. Step 6: Final answer
    x = 6,646.60

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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.