Home / 20,293.94-28,005.78-11,341.82

Finding the Fourth Proportional to 20,293.94, 28,005.78 and 11,341.82

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Solution

The fourth proportional to 20,293.94, 28,005.78 and 11,341.82 is: 15,651.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,293.94 : 28,005.78 = 11,341.82 : x
  2. Step 2: Convert to fraction form
    20,293.94/28,005.78 = 11,341.82/x
  3. Step 3: Cross multiply
    20,293.94x = 28,005.78 × 11,341.82
  4. Step 4: Simplify right side
    20,293.94x = 317,636,515.72
  5. Step 5: Solve for x
    x = 317,636,515.72/20,293.94
  6. Step 6: Final answer
    x = 15,651.79

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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.