Home / 20,615.97-30,926.19-7,465.43

Finding the Fourth Proportional to 20,615.97, 30,926.19 and 7,465.43

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Solution

The fourth proportional to 20,615.97, 30,926.19 and 7,465.43 is: 11,198.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,615.97 : 30,926.19 = 7,465.43 : x
  2. Step 2: Convert to fraction form
    20,615.97/30,926.19 = 7,465.43/x
  3. Step 3: Cross multiply
    20,615.97x = 30,926.19 × 7,465.43
  4. Step 4: Simplify right side
    20,615.97x = 230,877,151.98
  5. Step 5: Solve for x
    x = 230,877,151.98/20,615.97
  6. Step 6: Final answer
    x = 11,198.95

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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.