Home / 21,540.70-32,311.14-11,684.62

Finding the Fourth Proportional to 21,540.70, 32,311.14 and 11,684.62

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Solution

The fourth proportional to 21,540.70, 32,311.14 and 11,684.62 is: 17,526.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,540.70 : 32,311.14 = 11,684.62 : x
  2. Step 2: Convert to fraction form
    21,540.70/32,311.14 = 11,684.62/x
  3. Step 3: Cross multiply
    21,540.70x = 32,311.14 × 11,684.62
  4. Step 4: Simplify right side
    21,540.70x = 377,543,392.67
  5. Step 5: Solve for x
    x = 377,543,392.67/21,540.70
  6. Step 6: Final answer
    x = 17,526.98

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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.