Home / 20,893.49-28,833.77-11,462.33

Finding the Fourth Proportional to 20,893.49, 28,833.77 and 11,462.33

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Solution

The fourth proportional to 20,893.49, 28,833.77 and 11,462.33 is: 15,818.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,893.49 : 28,833.77 = 11,462.33 : x
  2. Step 2: Convert to fraction form
    20,893.49/28,833.77 = 11,462.33/x
  3. Step 3: Cross multiply
    20,893.49x = 28,833.77 × 11,462.33
  4. Step 4: Simplify right side
    20,893.49x = 330,502,129.57
  5. Step 5: Solve for x
    x = 330,502,129.57/20,893.49
  6. Step 6: Final answer
    x = 15,818.43

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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.