Home / 21,679.26-32,518.14-9,191.25

Finding the Fourth Proportional to 21,679.26, 32,518.14 and 9,191.25

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Solution

The fourth proportional to 21,679.26, 32,518.14 and 9,191.25 is: 13,786.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,679.26 : 32,518.14 = 9,191.25 : x
  2. Step 2: Convert to fraction form
    21,679.26/32,518.14 = 9,191.25/x
  3. Step 3: Cross multiply
    21,679.26x = 32,518.14 × 9,191.25
  4. Step 4: Simplify right side
    21,679.26x = 298,882,354.28
  5. Step 5: Solve for x
    x = 298,882,354.28/21,679.26
  6. Step 6: Final answer
    x = 13,786.56

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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.