Home / 19,517.50-26,926.80-12,806.83

Finding the Fourth Proportional to 19,517.50, 26,926.80 and 12,806.83

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Solution

The fourth proportional to 19,517.50, 26,926.80 and 12,806.83 is: 17,668.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,517.50 : 26,926.80 = 12,806.83 : x
  2. Step 2: Convert to fraction form
    19,517.50/26,926.80 = 12,806.83/x
  3. Step 3: Cross multiply
    19,517.50x = 26,926.80 × 12,806.83
  4. Step 4: Simplify right side
    19,517.50x = 344,846,950.04
  5. Step 5: Solve for x
    x = 344,846,950.04/19,517.50
  6. Step 6: Final answer
    x = 17,668.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.