Home / 15,893.25-21,854.93-13,793.73

Finding the Fourth Proportional to 15,893.25, 21,854.93 and 13,793.73

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Solution

The fourth proportional to 15,893.25, 21,854.93 and 13,793.73 is: 18,967.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,893.25 : 21,854.93 = 13,793.73 : x
  2. Step 2: Convert to fraction form
    15,893.25/21,854.93 = 13,793.73/x
  3. Step 3: Cross multiply
    15,893.25x = 21,854.93 × 13,793.73
  4. Step 4: Simplify right side
    15,893.25x = 301,460,934.62
  5. Step 5: Solve for x
    x = 301,460,934.62/15,893.25
  6. Step 6: Final answer
    x = 18,967.86

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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.