Home / 12,741.43-19,093.67-7,182.92

Finding the Fourth Proportional to 12,741.43, 19,093.67 and 7,182.92

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Solution

The fourth proportional to 12,741.43, 19,093.67 and 7,182.92 is: 10,763.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,741.43 : 19,093.67 = 7,182.92 : x
  2. Step 2: Convert to fraction form
    12,741.43/19,093.67 = 7,182.92/x
  3. Step 3: Cross multiply
    12,741.43x = 19,093.67 × 7,182.92
  4. Step 4: Simplify right side
    12,741.43x = 137,148,304.12
  5. Step 5: Solve for x
    x = 137,148,304.12/12,741.43
  6. Step 6: Final answer
    x = 10,763.96

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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.