Home / 12,338.94-18,507.86-3,573.66

Finding the Fourth Proportional to 12,338.94, 18,507.86 and 3,573.66

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Solution

The fourth proportional to 12,338.94, 18,507.86 and 3,573.66 is: 5,360.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,338.94 : 18,507.86 = 3,573.66 : x
  2. Step 2: Convert to fraction form
    12,338.94/18,507.86 = 3,573.66/x
  3. Step 3: Cross multiply
    12,338.94x = 18,507.86 × 3,573.66
  4. Step 4: Simplify right side
    12,338.94x = 66,140,798.97
  5. Step 5: Solve for x
    x = 66,140,798.97/12,338.94
  6. Step 6: Final answer
    x = 5,360.33

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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.