Home / 13,227.91-19,713.04-12,827.43

Finding the Fourth Proportional to 13,227.91, 19,713.04 and 12,827.43

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Solution

The fourth proportional to 13,227.91, 19,713.04 and 12,827.43 is: 19,116.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227.91 : 19,713.04 = 12,827.43 : x
  2. Step 2: Convert to fraction form
    13,227.91/19,713.04 = 12,827.43/x
  3. Step 3: Cross multiply
    13,227.91x = 19,713.04 × 12,827.43
  4. Step 4: Simplify right side
    13,227.91x = 252,867,608.62
  5. Step 5: Solve for x
    x = 252,867,608.62/13,227.91
  6. Step 6: Final answer
    x = 19,116.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.