Home / 20,893.41-28,833.36-11,461.97

Finding the Fourth Proportional to 20,893.41, 28,833.36 and 11,461.97

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Solution

The fourth proportional to 20,893.41, 28,833.36 and 11,461.97 is: 15,817.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,893.41 : 28,833.36 = 11,461.97 : x
  2. Step 2: Convert to fraction form
    20,893.41/28,833.36 = 11,461.97/x
  3. Step 3: Cross multiply
    20,893.41x = 28,833.36 × 11,461.97
  4. Step 4: Simplify right side
    20,893.41x = 330,487,107.32
  5. Step 5: Solve for x
    x = 330,487,107.32/20,893.41
  6. Step 6: Final answer
    x = 15,817.77

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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.