Home / 21,793.41-30,062.39-13,821.93

Finding the Fourth Proportional to 21,793.41, 30,062.39 and 13,821.93

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Solution

The fourth proportional to 21,793.41, 30,062.39 and 13,821.93 is: 19,066.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,793.41 : 30,062.39 = 13,821.93 : x
  2. Step 2: Convert to fraction form
    21,793.41/30,062.39 = 13,821.93/x
  3. Step 3: Cross multiply
    21,793.41x = 30,062.39 × 13,821.93
  4. Step 4: Simplify right side
    21,793.41x = 415,520,250.21
  5. Step 5: Solve for x
    x = 415,520,250.21/21,793.41
  6. Step 6: Final answer
    x = 19,066.33

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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.