Home / 12,124.73-18,187.10-3,359.64

Finding the Fourth Proportional to 12,124.73, 18,187.10 and 3,359.64

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Solution

The fourth proportional to 12,124.73, 18,187.10 and 3,359.64 is: 5,039.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124.73 : 18,187.10 = 3,359.64 : x
  2. Step 2: Convert to fraction form
    12,124.73/18,187.10 = 3,359.64/x
  3. Step 3: Cross multiply
    12,124.73x = 18,187.10 × 3,359.64
  4. Step 4: Simplify right side
    12,124.73x = 61,102,091.85
  5. Step 5: Solve for x
    x = 61,102,091.85/12,124.73
  6. Step 6: Final answer
    x = 5,039.46

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Similar ratio
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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.