Home / 21,679.12-32,493.34-9,194.92

Finding the Fourth Proportional to 21,679.12, 32,493.34 and 9,194.92

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Solution

The fourth proportional to 21,679.12, 32,493.34 and 9,194.92 is: 13,781.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,679.12 : 32,493.34 = 9,194.92 : x
  2. Step 2: Convert to fraction form
    21,679.12/32,493.34 = 9,194.92/x
  3. Step 3: Cross multiply
    21,679.12x = 32,493.34 × 9,194.92
  4. Step 4: Simplify right side
    21,679.12x = 298,773,661.83
  5. Step 5: Solve for x
    x = 298,773,661.83/21,679.12
  6. Step 6: Final answer
    x = 13,781.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.