Home / 12,290.08-18,429.92-6,741.84

Finding the Fourth Proportional to 12,290.08, 18,429.92 and 6,741.84

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Solution

The fourth proportional to 12,290.08, 18,429.92 and 6,741.84 is: 10,109.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,290.08 : 18,429.92 = 6,741.84 : x
  2. Step 2: Convert to fraction form
    12,290.08/18,429.92 = 6,741.84/x
  3. Step 3: Cross multiply
    12,290.08x = 18,429.92 × 6,741.84
  4. Step 4: Simplify right side
    12,290.08x = 124,251,571.85
  5. Step 5: Solve for x
    x = 124,251,571.85/12,290.08
  6. Step 6: Final answer
    x = 10,109.91

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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.