Home / 12,338.88-16,998.12-10,205.52

Finding the Fourth Proportional to 12,338.88, 16,998.12 and 10,205.52

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Solution

The fourth proportional to 12,338.88, 16,998.12 and 10,205.52 is: 14,059.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,338.88 : 16,998.12 = 10,205.52 : x
  2. Step 2: Convert to fraction form
    12,338.88/16,998.12 = 10,205.52/x
  3. Step 3: Cross multiply
    12,338.88x = 16,998.12 × 10,205.52
  4. Step 4: Simplify right side
    12,338.88x = 173,474,653.62
  5. Step 5: Solve for x
    x = 173,474,653.62/12,338.88
  6. Step 6: Final answer
    x = 14,059.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.